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Table able of Cont Conten ents ts E89 Comple Complete te Vehicl ehicle e Subject
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Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 .7 B o dy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Comparison of Body Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 . 10 Retractable Hardtop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Hydraulic System Circuit Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Hydraulics and Locking Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 Mechanical System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 . 16 Circuit Diagram - Convertible Top Module . . . . . . . . . . . . . . . . . . . . . . . .18 System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 . 20 Microswitches and Hall Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Buttons for Operating the Hardtop . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Convertible To Top Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 Drive for Locking the Retractable Hardtop . . . . . . . . . . . . . . . . . . . . . .22 Hydraulic Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 . 23 Instrument Cluster - KOMBI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 Footwell Module - FRM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 . 24 Junction Box Electronics - JBE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 Car Access System - CAS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 Antenna Diversity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 . 24 Principles of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25 Operating Pre-Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25 Opening the Retractable Hardtop . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 Operating Conditions with Comfort Access . . . . . . . . . . . . . . . . .26 Automatic Soft Close System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27 Check Control Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28 Sensor St S tatus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29 Convenient Loading Function of Rear Lid . . . . . . . . . . . . . . . . . . . . . .30 Emergency Opening of Rear Lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30 Emergency Actuation of the Retractable Hardtop . . . . . . . . . . . . . . .30
Initial Print Date: 05/09
Revision Date: 08/09
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Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 . 31 E89 Bus D Diiagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 MOST Di D irect Ac A ccess Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34 Control Units Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35 Audio System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 . 36 Antenna Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36 Multiple Restraint System 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37 Passenger Seat Occupancy Detection . . . . . . . . . . . . . . . . . . . . . . . .37 E89 Chassis and Suspension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40 Double-joint Spring Strut Front Axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40 Dynamic Driving Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 Differentiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 Changes and New Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 E89 Front Ax Axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 . 42 Kingpin Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 . 43 Central-link Rear Axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 . 47 Suspension Reinforcement Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48 Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51 Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51 Principles of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56 Function of th t he EMF Actuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57 Brake Piston . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 . 59 Applying the Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62 Rolling Monitor with Parking Brake Applied . . . . . . . . . . . . . . . . .63 Temperature Monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63 Releasing the Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64 Dynamic Emergency Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64 Parking Brake Fault . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65 Emergency Release . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65 Changing Brake Pads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65 Brake Test Rig Recognition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66 Suspension and Damping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69 Basic Suspension Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69 Adaptive M Chassis and Suspension . . . . . . . . . . . . . . . . . . . . . . .69 History of Electronic Damping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70 Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71 Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71 Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 . 72 Dynamic Driving Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 .73 Dynamic Driving Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
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Electric Power Steering (EPS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78 Versions of Electric Power Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78 Distinction from Active Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .79 Features of Electric Power Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81 Improved Handling Dynamics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81 Greater Driving Comfort . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81 Greater Driving Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81 Better Environmental Credentials . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81 Simplifications for the Vehicle Manufacturer . . . . . . . . . . . . . . . . . . . .81 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 . 82 Mechanical Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82 EPS System Circuit Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84 System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85 Steering T To orque Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85 EPS Control Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 . 86 Electric Motor with Position Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87 Reduction Gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89 Steering Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91 Principles of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92 EPS Input Va Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93 EPS Output Va Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94 DME Functions Used by EPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95 Intelligent Alternator Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95 Speed-dependent Power Steering Assistance . . . . . . . . . . . . . . . . .96 Active Steering-wheel Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97 Active Damping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99 Damping Roadwheel Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . .99 Damping Steering Input from Driver . . . . . . . . . . . . . . . . . . . . . . . .99 Damping of Steering Input by EPS . . . . . . . . . . . . . . . . . . . . . . . . . . .100 Active Roadwheel Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101 Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101 Status Shutdown in the Event of Faults . . . . . . . . . . . . . . . . . . .102 Co-ordination of Specified Settings . . . . . . . . . . . . . . . . . . . . . . . . . .103 Supplementary Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103 Protection Against Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103 End Stop as Software Function . . . . . . . . . . . . . . . . . . . . . . . . . .104
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Service Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105 Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 . 105 Adaptive M Chassis and Suspension . . . . . . . . . . . . . . . . . . . . . . . . . . .105 Dynamic Driving Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105 Dynamic driving switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105 Replacing an EPS System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105 Intelligent Alternator Control and EPS . . . . . . . . . . . . . . . . . . . . . . . . . .105 Active Steering Wheel Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106 Protection Against Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106 Shutdown in the Event of Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106 Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106 Step-down Gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
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Complete Complete Vehicle Model: E89 Prod Produc ucti tion on:: From Star Startt of Prod Produc ucti tion on
After completion completion of this module module you will will be able able to: • Identify the cha changes made between the E85 and E89 • Ident dentif ifyy the the diff differ eren entt varia ariant ntss of the the E89 E89 • Iden Identi tify fy the the comp compon onen ents ts of the the Retr etract actable able Har Hardtop dtop • Explai plain n the oper operat atio ion n of the Retr etract actable able Har Hardtop dtop • Iden Identi tify fy the the susp suspen ensi sion on comp compon onen ents ts • Explai plain n the oper operat atio ion n of the Paral aralle lell EPS system • Explain the operation of the EMF system • Explai plain n the oper operat atio ion n of the new new Capa Capaci cittance ance Seat eat Occu Occupa panc ncyy sens sensor or
6 E89 Complete ete Vehicle Vehicle
Introduction The new Z4, successor to the E85 Z4 Roadster and E86 Z4 Coupe, is the first rst BMW Roads oadste terr to have have a retr etract actable able har hardtop dtop.. Wi With th its its long long engi engine ne comp compar artm tmen entt lid, lid, lar large whee wheell aper apertu turres, es, long long whee wheelb lbas ase e and and squa squatt over overha hang ng it feat featur ures es all all typi typica call elem elemen ents ts of a BMW BMW Roads oadste terr. The The vehi vehicl cle’ e’ss manu manufa fact ctur urin ing g has has been been mo move ved d from from Spar Sparttanbu anburg rg,, Sout South h Caro Carolilina na to the the Regen egensb sbur urg, g, Germ German anyy plan plant. t. Thes These e feat featur ures es are are furt furthe herr enha enhanc nced ed by the the flat flat fron frontt sect section ion,, the the pron pronou ounc nced ed shou should lder er line line and and rear ear end. end. In addi additi tion on,, the the engi engine ne comp compar artm tmen entt lid lid that that exten xtends ds over over the the whee wheell arch arches es,, the the lar large BMW BMW radia adiato torr gril grill,l, the the side side gill gills, s, the the blac blackk A-pi A-pillllar ar,, the the cont contou ourred roof oof and and rear rear ligh lights ts with with inno innova vati tive ve liligh ghtt tech techno nolo logy gy furt furthe herr ceme cement nt the the char charac acte teri rist stic ic acce accent nts. s. The two-pi two-piece ece,, electr electroh ohydr ydraul aulical ically ly opera operated ted retr retract actable able hardt hardtop op made made of lightw lightweig eight ht alum alumin inum um pane panels ls takes akes appr approx oxim imat ately ely 20 secon seconds ds to open open or close close full fullyy auto automa mati tica cally lly.. The The comp compac actt stow stowag age e of the the roof oof elem elemen ents ts in the the lugg luggag age e comp compar artm tmen entt allo allows ws for a flat flat,, Roads oadste terr-cha -charracte acteris risti tic c rear rear desi design gn and and a lugg luggag age e compa compart rtme ment nt volu volume me betwe between en 180 180 and and 310 310 lilitters ers (6.3 (6.3 and and 10.9 0.9 cubi cubic c feet eet). Large arge wind window ow area areass toget ogeth her with ith the the heat heated ed glas glasss rear ear wind window ow prov provid ide e an opti optimu mum m allall-rround ound fiel field d of view view.. All All mo mode dels ls are are equi equipp pped ed with with Effi Effici cien entt Dyna Dynami mics cs meas measur ures es and and thus thus no comp comprrom omis ise e has has been been made made in term termss of acce accele lerratio ation, n, perf perfor orma manc nce e and and fuel fuel econ econom omyy. At laun launch ch in May May 2009, 009, the the E89 is off offered ered as tow mo mode dell varia ariant ntss. Z4 sDrive35i - N54B30O0 ( 300 hp / 300 lb-ft ) Z4 sDrive30i - N52B30O1 ( 255 hp / 220 lb-ft ) Both Both mo mode dell varia arian nts com come standa andarrd with with a manua anuall 6 speed peed tran transm smis issi sion on but but if the auto automa mati tic c tran transm smis issi sion on optio option n is desi desire red, d, two two tran transm smis issi sion onss are are avai availa lable ble.. Fo Forr the the Z4 sDri sDrive ve30 30ii , ther there e is the the famil amilia iarr GA6H GA6HP1 P19Z 9Z (TU) (TU) tran transm smis issi sion on.. For the the Z4 sDri sDrive ve35 35i,i, the the spor sports ts auto automa mati tic c with with doub double le clut clutch ch (DCT (DCT)) GS7D GS7D36 36SG SG tran transm smis issi sion on that that was firs firstt util utiliz ized ed in the the four fourth th gene generratio ation n M3 is avai availa labl ble. e. The The new new BMW BMW Z4 is equi equipp pped ed with ith a thr three lev level dy dyna nami mic c driv drivin ing g con control trol as standa andarrd. This This allo allows ws the the dri drive verr to chan change ge the the acce accele lera rato torr peda pedall char charac acte teri rist stics ics,, gear gearsh shif iftt prog progra ram m and and shif shiftt spee speed d of the the opti option onal al aut autom omat atic ic gear gearbo box, x, DSC DSC respo espons nse e and and the the opti option onal al adap adapttive ive M run running ning gear gear wit with the touch ouch of a butt button on.. Head Head and and elbo elbow w clea clearrance ance as well well as ease ease of entr entryy hav have been been grea greatl tlyy im impr pro oved comcompar pared to the the pred predec eces esso sorr mo mode del.l. The The low low seat seat posi positi tion on near near the the rear ear axle axle crea creattes the the typi typica call ride ride exper xperie ienc nce e of a BMW BMW Roads oadste terr.
7 E89 Complete Complete Vehicle Vehicle
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Chan Change gess when when comp compar ared ed to the the E85: E85: • Impr Improv oved ed inte interi rior or and and comf comfor ortt • Retr etracta actabl ble e hard hardto top p • BiBi-xenon enon as stan standa darrd (fog (fog liligh ghts ts disc discon onti tinu nued ed)) • Thro Throug ughh-loa loadi ding ng facili acility ty • Wheel heelba base se incr increa ease sed d by +146 146 mm (5.7 (5.75” 5”)) • Stan Standa darrd ” wheel heelss opti option onal al 19” whee wheels ls • Opt Optiona ionall adap adapti tivve M runn runnin ing g gear gear • Opti Option onal al spor sports ts aut autom omat atic ic tran transm smis issi sion on with with doub double le clut clutch ch (onl (onlyy on Z4 sDri sDrivve35i e35i)) • Crui Cruise se cont contrrol with with brak brake e inte interv rven enti tion on • Dyna Dynami mic c driv drivin ing g cont contrrol • CIC CIC (with with navi naviga gati tion on))
8 E89 Complete ete Vehicle Vehicle
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Body The The foll follow owin ing g are are some some im impo port rtan antt desi design gn obje object ctiv ives es in the the deve develo lopm pmen entt of the the E89 E89 body body:: • Harm Harmon onio ious us over overal alll impr impres essi sion on with with exten xtended ded prop propor orti tion ons, s, coupe coupe-i -ins nspi pire red d roof roof line line and and flat flat rear ear end end • Remot emote e contr control olle led, d, full fullyy auto automa mati tic c retra etract ctab able le hard hardto top p with with load load help help func functi tion on • Thr Through ough-l -loa oadi ding ng capa capabi bilility ty for carr carryi ying ng skie skiess or a golf golf bag bag regar egardl dles esss of top top posi positi tion on • Mor More and and easi easier er-t -too-us use e storag orage e comp compar artm tmen ents ts in the the vehic ehicle le int interio eriorr as well ell as a rear ear stor storag age e area area behi behind nd the the seat seatss • Grea Greatl tlyy im impr prov oved ed allall-rround ound visi vision on (rea (rearr side side wind window ows) s) and and a lar larger ger rear ear wind window ow • Compel Compellin ling g imp impre ressi ssion on (driv (driver er-or -orient ientate ated), d), top-qu top-quali ality ty appear appearanc ance e and functi functiona onalit lityy of the the int interio eriorr • Dist Distin inct ctly ly reduc educed ed nois noise e lev level at high higher er spee speeds ds
Compar Compariso ison n of Body Body Compon Component ents s The The new new Z4 has has been been desi design gned ed with ith very ery few com compon ponents ents act actuall uallyy used used from the the pre previvious ous mo mode del.l. The The ilillu lust strratio ation n belo below w iden identi tifi fies es the the comp compon onen ents ts used used in both both gene generratio ation n Z4. Z4. Comp Compar aris ison on E85 — E89 E89
Index
Explanation
1
New compon component entss (newly (newly devel develope oped) d)
2
Common Common parts parts
3
Modifi Modified ed compon component entss (devel (develope oped d with with minimu minimum m expen expendit ditur ure) e)
9 E89 Complete Complete Vehicle Vehicle
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Garage Garage dimens dimension ions s E85/E89 E85/E89
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Retractab etractable le Hardtop Hardtop The The retr etract actable able hard hardttop cons consis ists ts of two two alum alumin inum um roof oof pane panels ls.. They They are are oper operat ated ed by mean meanss of an inte intern rnal al lilink nkag age. e. The The retr etract actable able har hardtop dtop and and the the rear ear mo modu dule le are are driv driven en hydr hydrau aulilical cally ly.. The The hydr hydrau aulilic c syst system em consi consist stss of 6 hydr hydrau aulilic c cyli cylind nder erss that that are are supp supplilied ed with with pres pressu surre by the the hydr ydrauli aulic c unit unit via via the the hydr ydrauli aulic c liline nes. s. The The cyli cylind nder erss are are alwa always ys actu actuat ated ed in pair pairs. s. The The retr retract actab able le hard hardto top p is equip equipped ped with with a head headliline nerr with withou outt tens tensio ioni ning ng cable cables. s.
11 E89 Complete Complete Vehicle Vehicle
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Hydr Hydraul aulic ic Syst System em Circui Circuitt Schema Schematic tic
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Index
Explanation
A
Throttle
B
Filter
C
Non-return Non-return valve valve
D
Emergency Emergency operating operating valve valve
E
Pilot-cont Pilot-controll rolled ed non-return non-return valve valve
1
LH hydr hydraul aulic ic cylind cylinder er,, main main pillar pillar
2
RH hydr hydraul aulic ic cylind cylinder er,, main main pillar pillar
3
LH hydr hydraul aulic ic cylind cylinder er,, roof roof panel panel
4
RH hydr hydraul aulic ic cylind cylinder er,, roof roof panel panel
5
LH hydr hydraul aulic ic cylind cylinder er,, rear rear module module
6
RH hydr hydraul aulic ic cylind cylinder er,, rear rear module module
7
Valve alve for rear rear module module
8
Valve alve for for roof roof pane panell and and rear rear modu module le
9
Valve alve for for main main cyli cylind nder er and and roof roof pane panell
10
Pressure Pressure relief relief valve valve
11
Changeove Changeoverr valve valve
12
Hydraulic Hydraulic pump
13
Changeove Changeoverr valve valve
14
Two-wa wo-wayy flow flow contr control ol valve valve
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Hydr Hydraul aulics ics and Lockin Locking g Mechan Mechanism ism
Index
Explanation
1
LH latc latch, h, wind windsc scre reen en cowl cowl pane panell
2
Drive Drive for lockin locking g retrac retracta table ble hardt hardtop op
3
RH latc latch, h, wind windsc scre reen en cowl cowl pane panell
4
RH hydr hydraul aulic ic cylind cylinder er,, roof roof panel panel
5
RH hydr hydraul aulic ic cylind cylinder er,, main main pillar pillar
6
RH hydr hydraul aulic ic cylind cylinder er,, rear rear module module
7
Convertib Convertible le top module module
8
Hydrauli Hydraulic c unit
9
LH hydr hydraul aulic ic cylind cylinder er,, rear rear module module
10
LH hydr hydraul aulic ic cylind cylinder er,, main main pillar pillar
11
LH hydr hydraul aulic ic cylind cylinder er,, roof roof panel panel
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Mechan Mechanica icall Syste System m Overv Overvie iew w
Index
Explanation
1
Roof Roof pane panell 2
2
Roof Roof pane panell 1
3
Main Main pillar pillar mechan mechanism ism
4
Rear Rear module module mechan mechanism ism
5
Rear Rear module module
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Sensors
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Index
Explanation
A-K
Locations
1
Micro Microswi switch tch,, cowl cowl panel panel unlock unlocked ed
2
Micro Microswi switch tch,, cowl cowl panel panel locked locked
3
Micro Microswit switch, ch, cowl cowl panel panel reach reached ed
4
RH micros microswit witch, ch, roof roof panel panel closed closed
5
Hall Hall sensor sensor,, roof roof panel panel packed packed
6
Hall Hall sensor sensor,, roof roof panel panel opened opened
7
RH micros microswit witch, ch, rear rear module module closed closed
8
Hall Hall sensor sensor,, roof roof packag package e exten extended ded
9
Micro Microswi switch tch,, roof roof module module compar compartme tment nt locke locked d
10
Hall Hall sensor sensor,, luggag luggage e compar compartme tment nt partit partition ion
11
LH micros microswit witch, ch, rear rear module module closed closed
12
LH micro microswi switch tch,, roof roof panel panel closed closed
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Circ Ci rcui uitt Di Diag agra ram m - Conv Conver erti tibl ble e Top Modul Module e
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Index
Explanation
Index
Explanation
A
Roof Roof module module
15
Micro Microswi switch tch,, roof roof module module compar compartme tment nt locke locked d
B
Rear Rear module module
16
Hall Hall sensor sensor,, rear rear module module opened opened
1
Car Car Acce Access ss Syst System em (CAS (CAS))
17
LH micro microswi switch tch,, rear rear module module closed closed
2
Footw Footwell ell module module (FRM) (FRM)
18
RH micro microswi switch tch,, rear rear module module closed closed
3
Integr Integrate ated d automa automatic tic climat climate e contr control ol (IHKA) (IHKA)
19
Heated Heated rear rear window window
4
Center Center consol console e contr control ol panel panel (SZM) (SZM)
20
Rear Rear lid button button
5
”Cowl ”Cowl panel panel reach reached” ed” micro microswi switch tch
21
Release Release drive drive
6
Front Front power power distri distribut bution ion box box
22
Rear Rear lid lid lock lock swit switch ch
7
Juncti Junction on box box electr electroni onics cs (JBE) (JBE)
23
LH auto automa mati tic c soft soft clos close e driv drive e
8
RH micros microswit witch, ch, roof roof panel panel closed closed
24
Rear Rear lid lid lock lock swit switch ch
9
Drive Drive for lockin locking g retrac retracta table ble hardt hardtop op
25
RH auto automa mati tic c soft soft clos close e driv drive e
10
Hall Hall sensor sensor,, roof roof packag package e exten extended ded
26
Luggage Luggage compartmen compartmentt light light
11
LH micros microswit witch, ch, roof roof panel panel closed closed
27
Batter Batteryy power power distri distribut bution ion box box
12
Micro Microswi switch tch,, cowl cowl panel panel unlock unlocked ed
28
Hydraulic Hydraulic unit
13
Hall Hall sensor sensor,, roof roof panel panel packed packed
29
Conver Convertib tible le top module module (CTM) (CTM)
14
Micro Microswi switch tch,, cowl cowl panel panel locke locked d
30
Hall Hall sensor sensor,, luggag luggage e compar compartme tment nt partit partition ion
19 E89 Complete Complete Vehicle Vehicle
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System System Components Components Micro Microswi switch tches es and and Hall Hall Sensor Sensors s The The vario arious us posi positi tion onss of the the retr etract actable able har hardtop dtop and and of the the rear ear mo modu dule le are are dete detect cted ed by 8 mi micr cros oswi wittches ches and and 4 Hall Hall sens sensor orss and and sign signal alle led d to the the conv conver erti tibl ble e top top mo modu dule le CTM. CTM. All All micr micros oswi witc tche hess and and Hall Hall sens sensor orss receiv eceive e thei theirr volt voltag age e supp supply ly from from the the conv convert ertib ible le top top modu mo dule le and and have have diag diagno nost stic ic capab capabililit ities ies.. Aft After loss loss of term termin inal al 30 or afte afterr emer emerge genc ncyy oper operat atio ion, n, the the retr etract actable able har hardtop dtop can can stil stilll be oper operated ated with withou outt the the need need for for re-i re-ini niti tial aliz izat atio ion. n. The The micr micros oswi witc tche hess and and Hall Hall sens sensor orss ensu ensurre the the conv convert ertib ible le top top mo modu dule le reli reliab ably ly dete detect ctss the the posit positio ion n of the the retr retract actab able le hard hardto top. p.
Butt Buttons ons for Opera Operatin ting g the the Hardto Hardtop p Two butt button onss are are prov provid ided ed in the the cent center er conconsole sole for the the purp purpos ose e of oper operat atin ing g the the retr retrac acttable able hard hardto top. p. Thes These e butt button onss are are wir wired to the the conv conver erti tibl ble e top top mo modu dule le.. When When a butt button on is pres presse sed, d, the the conv conver erti tibl ble e top top mo modu dule le recei receive vess the the info inform rmat atio ion n and and execu execute tess the the corre corresp spon ondi ding ng comma command nd.. Move Moveme ment nt of the the retr etract actable able hard hardttop or side side wind window owss stop stopss if the the but button is relea elease sed d whil while e the har hardtop dtop is movi mo ving ng.. Oper peratio ation n is indi indica catted by a red LED LED in one button and a green een LED in the other. The The conv conver erti tibl ble e top top mo modu dule le actua actuate tess the the LEDs LEDs via via the the K-CA K-CAN. N. The The gree green n LED LED in the the butt button on liligh ghts ts up duri during ng the the open openin ing/ g/cl clos osin ing g oper operat atio ion. n. The The red LED LED sign signal alss an oper operat atin ing g erro errorr or incor incorre rect ct cond condit itio ions ns (e.g (e.g.. lugg luggag age e comp compar artm tmen entt part partit ition ion not not in low lower posi positi tion on). ). The The red LED flas flashe hess as soon soon as the the retr etract actable able har hardtop dtop is in an int interermedi mediat ate e posi positi tion on and and not not oper operat ated ed.. The The LED LED flas flashi hing ng does does not not indi indica cate te a fault ault.. The The flas flashhing ing LED draw drawss att attenti ention on to the fact act that hat the the vehic ehicle le cann cannot ot be driv driven en in this this sit situati uation on.. A fault ault code code that that cann cannot ot be read ead out out is stor stored ed unde underr foll follow owin ing g cond condit itio ions ns:: • Term erminal R On while the button is pressed • When When the but button is pres presssed for long longer er than han 20 seco second ndss aft after roof oof oper operat atio ion n has conclud concluded. ed. The The retr retrac acta tabl ble e hard hardto top p is then then temp tempor orar arililyy inop inoper erat ativ ive. e. The The retr retrac acta tabl ble e hard hardto top p can can be oper operat ated ed agai again n aft after pres pressi sing ng the the Open Open butt button on once once..
20 E89 Complete ete Vehicle Vehicle
www.bmwcoders.com - your #1 BMW information source!!! Convert Convertible ible Top Module Module The The Con Convert vertib ible le top top mo modu dule le (CTM (CTM)) is the the cent centrral elec electr tron onic ic cont contrrol unit unit for for all all func functi tion onss of the the retr etract actable able hard hardttop. op. The The conv conver erti tibl ble e top top mo modu dule le is inst instal alle led d on the the righ rightt in the the lugg luggag age e compar compartm tmen ent. t. The The conv convert ertib ible le top top mo modu dule le cont contro rols ls the the retr retrac acta tabl ble e hard hardto top, p, the the rear mo moddule, ule, the the auto automa mati tic c soft soft clos close e syste ystem m and and the the driv drive e unit unit for for lock lockin ing g the the hard hardttop. op. The The CTM also also cont contrrols ols the hydrau draulilic c pum pump and and the the six hydrau draulilic c cyli cylind nder erss by way of the the thr three valv valves es in the the hydr hydrau aulilic c unit unit.. The The K-CA K-CAN N conn connec ects ts the the con convert vertib ible le top top mo modu dule le to othe otherr cont contrrol unit units. s. Inf Informa ormati tion on on outs outsid ide e temp temper erat atur ure, e, driv drivin ing g spee speed d and and rear ear lid lid stat status us etc. etc.,, is recei eceivved via via the the K-C K-CAN. AN. The The con convert ertible ible top modul odule e ends ends a sign signal al to the the car car acce access ss syste ystem m (CAS (CAS)) when when the the retr etract actable able har hardtop dtop is open opened ed or clos closed ed.. The The car car acce access ss syst ystem is the the mas master ter for the the powe powerr wind window ows. s. In cert certai ain n situ situat atio ions ns,, the the conv conver erti tibl ble e top top modu mo dule le outp output utss info inform rmat atio ion n in the the form orm of chec checkk cont contrrol mess messag ages es in the the inst instru rume ment nt cluster. Conver Convertibl tible e Top Module Module - Locati Location on and Connec Connectio tions ns
Index
Explanation
1
Convertib Convertible le top module module
2
26-pin 26-pin connec connector tor for Hall Hall sensor sensorss and micros microswit witche chess
3
2-pin 2-pin connec connector tor to drive drive unit unit for lockin locking g retra retract ctabl able e hardto hardtop p
4
41-pin 41-pin connec connector tor for volt voltage age supply supply,, automa automatic tic soft soft close close syste system, m, and K-CAN K-CAN
5
18-pin 18-pin connec connecto torr for actuat actuating ing hydr hydraul aulic ic unit unit
Not Note: IST ISTA-P A-P must must be used used to enco encode ded d the the new new modu module le aft after repla eplace ceme ment nt..
21 E89 Complete Complete Vehicle Vehicle
www.bmwcoders.com - your #1 BMW information source!!! Drive Drive for for Lockin Locking g the the Retr Retract actabl able e Hardt Hardtop op The The driv drive e unit unit,, cons consis isti ting ng of an elec electr tric ic mo mottor with with gear gear mech mechan anis ism, m, lock lockss and and unlo unlock ckss the the retr etract actable able hard hardttop with with the the cowl cowl pane panell at the the uppe upperr wind windsc scrreen een fram frame. e. The The con convert vert-ible ible top modu odule actu actuat ates es the the elec electtric ric mo mottor. or. The The driv drive e unit unit is arr arrange anged d in the middl iddle. e. The The retai etaini ning ng hook hookss on the the righ rightt and and left left are are mo movved by a rotar otaryy plat plate e and and push push rods. ods. The The two two Hall Hall sens sensor orss ’cow ’cowll pane panell lock locked ed and and unlo unlock cked ed’’ mo moni nito torr the the lock lockin ing g proc proced edur ure. e. When When the the retr etract actable able har hardtop dtop is open opened ed,, the the driv drive e unit unit lock lockss the the har hardtop dtop on the the bas base plat plate e in the the rear ear mo modu dule le.. This This is a cras crashh-lo lock ck func functi tion on,, whic which h pre prevent ventss the the retr etracte acted d har hardtop from from foldi olding ng forw orward ard in the event ent of a cras crash. h. Drive Drive for lockin locking g the retra retracta ctable ble hardto hardtop p
Index
Explanation
1
Retai Retainin ning g hook, hook, left left
2
Drive Drive for lockin locking g retr retract actabl able e hardto hardtop p
3
Retai Retainin ning g hook, hook, right right
4
’Cowl ’Cowl panel panel unlock unlocked’ ed’ micro microswi switch tch and ’cowl ’cowl panel panel locke locked’ d’ micro microswi switch tch
22 E89 Complete ete Vehicle Vehicle
www.bmwcoders.com - your #1 BMW information source!!! Hydrauli Hydraulic c Unit The The hydr ydrauli aulic c unit unit is loca locatted in a pan pan in the the lugg luggag age e comp compar artm tmen entt floo floorr. The The mo move veme ment nt direct dir ection ion of the the retra etract ctabl able e hard hardto top p and and rear mo modu dule le are are dete determ rmin ined ed by corr correspo espond ndin ing g valv valve e posi positi tion onss and and the the dir directi ection on of rotat otatio ion n of the the hydr ydrauli aulic c pump pump.. The The dir directi ection on of rotaotation tion of the the hydr ydrauli aulic c pump pump is cont contrrolle olled d by two two relay elays. s. The The hydr ydrauli aulic c pump pump gene generrates ates an oper operat atin ing g pres pressu surre from from 150 150 to 200 200 bar bar. The The temp temper erat atur ure e in the the hydrau draulilic c pump pump is meas measur ured ed to avoi avoid d the the pump pump over overhe heat atin ing g durduring ing freq freque uent nt use use of the the retr retract actab able le hard hardto top. p. Two cable cabless conne connect ct the the temp temper erat atur ure e sens sensor or grou ground nd-f -frree to the the con convert vertib ible le top mo modu dule le.. A liline ne brea breakk (ope (open n cir circuit cuit)) resul esults ts in a fault ault code code bein being g ente enterred in the the fault ault code code memo memory ry.. At from from a temp temper erat atur ure e of 90°C 90°C,, har hardtop dtop clos closin ing g mo move veme ment nt alr already eady star starte ted d is cont contin inue ued d up to the the secu securre end end posi positi tion on.. The The mo movvement ment of the the retr etract actable able har hardtop dtop is stop stoppe ped d im imme medi diat atel elyy at a tempe emperratur ature e of 105° 105°C. C. The The mo move veme ment nt can can be cont contin inue ued d afte afterr the the temp temper erat atur ure e has has drop droppe ped d belo below w 90°C 90°C.. The The hydrau draulilic c unit unit is prot protec ectted by a 50 amp amp slow slow-b -blo low w fus fuse. Othe Otherr than than topp toppin ing g the the hydr ydrauli aulic c syst ystem off off, the the hydr ydrauli aulic c flui fluid d does does not not requi equirre any any serv servic icin ing. g. Add Add only only the the appr approv oved ed hydr ydrauli aulic c flui fluid d to the the mark mark on the the reser eservo voir ir..
Hydraulic Hydraulic Unit Location Location
Note Note:: Exce Excess ssiv ive e nois noise e duri during ng top top oper operat atio ion n may may be due due to aer aerated ated hydr hydrau auli lic c line lines. s. If exce excess ssiv ive e oper operat atin ing g nois noise e is hear heard d duri during ng oper operat atio ion, n, the the retr retrac acta tabl ble e hard hardto top p shou should ld be open opened ed and and clos closed ed seve severral time times s in orde orderr to automa automatic ticall ally y bleed bleed the hydr hydrau aulic lic syst system em via the fluid fluid reser reservo voir ir..
23 E89 Complete Complete Vehicle Vehicle
www.bmwcoders.com - your #1 BMW information source!!! Instru Instrumen mentt Clust Cluster er - KOMBI OMBI The The inst instru rume ment nt clus cluste terr prov provid ides es the the outs outsid ide e temp temper erat atur ure e (bus (bus sign signal al). ). The The inst instru rume ment nt clus cluste terr uses uses the the chec checkk cont contrrol sym ymbo boll to show show chec checkk cont contrrol mess messag ages es relat elatin ing g to the the retract retractable able hardtop. hardtop. Foot Footwe well ll Modu Module le - FRM FRM The The foot footwe wellll mo modu dule le FRM FRM actu actuat ates es the the fron frontt powe powerr wind window ow regul egulat ator ors. s. The The side side wind window owss must must be lowe lowerred in orde orderr to open open the the retr etract actable able har hardtop dtop (bus (bus sign signal al to con convert vertib ible le top module). Junc Juncti tion on Box Box Elec Electr tron onic ics s - JBE JBE The The junc juncti tion on box box elec electr tron onic icss JBE JBE actu actuat ates es the the rear ear powe powerr wind window ow regul egulat ator ors. s. The The side side wind window owss must must be lowe lowerred in orde orderr to open open the the retr etract actable able hard hardto top p (bus (bus sign signal al to conv conver erttible ible top top mo modu dule le). ). The The junc juncti tion on box box elec electr tron onic icss prov provid ides es the the sign signal al indi indica cati ting ng whet whethe herr the the rear ear lilid d is clos closed ed (bus bus signa ignal) l).. The The powe powerr dist distri ribu buti tion on box box in the the junc juncti tion on box box supp supplilies es term termin inal al 30g 30g to the the conv conver erti tibl ble e top top mo modu dule le.. The The con convert vertib ible le top top mo modu dule le addi additi tion onal ally ly recei eceive vess term termin inal al 15 from from the the car car acces accesss syst system em.. This This stil stilll enab enable less adeq adequa uate te commu communi nicat catio ion n with with the the BMW BMW diag diagno nosi siss syssystem tem when when,, for for exampl ample, e, the the volt voltag age e supp supply ly from from the the junc juncti tion on box box is int interru errupt pted ed..
Car Car Acces ccess s Syste ystem m - CAS CAS The The car car acce access ss syste ystem m is the the mast master er cont contrrol unit unit for for the the powe powerr wind window ow regul egulat ator ors. s. On reque equest st of the the conv conver erti tibl ble e top top mo modu dule le,, the the car car acce access ss syste ystem m lowe lowers rs or raise aisess the the side side wind window ows. s. In addi additi tion on,, the the car car acce access ss syste ystem m prev preven ents ts the the rear ear lid lid from from bein being g open opened ed and and movvemen mo ementt of the the powe powerr wind window owss when when the the retr etract actable able har hardtop dtop is in an inte interm rmed edia iate te posi posi-tion tion.. The The car car acce access ss syste ystem m cont contro rols ls the the auto auto-r -rem emot ote e openi opening ng func functi tion on for for the the retr retract actab able le hard hardttop. op. The The sign signal alss from from the the remot emote e cont contrrol are are recei eceivved by the the remot emote e cont contrrol recei eceive verr and and sent sent to the car car acce accesss system. em. Antenna Antenna Diversi Diversity ty The The conv conver erti tibl ble e top top mo modu dule le send sendss a corr corres espo pond ndin ing g sign signal al to the the ante antenn nna a dive divers rsit ityy mo moddule ule depe depend ndin ing g on whet whethe herr the the retr etract actable able hard hardto top p is clos closed ed or open open.. The The ante antenn nna a div diversi ersi-ty func functi tion on then then corr corres espo pond ndin ingl glyy sw swit itch ches es over over the the ante antenn nnas as..
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Princi Principle ples s of Opera Operatio tion n The The foll follow owin ing g optio options ns are are avai availa labl ble e for for oper operat atin ing g the the hard hardto top: p: • Using the button (close and ope open) • Using the key in the lock cyl cylinder in the driver’s doo door handle (close ose and open) • Usin Using g the the remot emote e cont contrrol (ope (open n only only)) • Usin Using g the the ID trans ansmi mittter with with Com Comfort ort Acces ccesss opt option ion (clo (close se,, as long long as the ID tran transsmittter is with mi within in range ange of the comf comfor ortt acce access ss ant antenna ennass and and open open as with ith the the remot emote e control).
Operating Operating Pre-Conditions Pre-Conditions The The retr etract actable able har hardtop dtop can can be open opened ed and and clos closed ed usin using g the the but button in the cent center er cons consol ole e only only if the the foll follow owin ing g cond condit itio ions ns are are met: met: • Terminal R ON • Outs Outsid ide e temp temper erat atur ure e abov above e -12°C 12°C • Boot lid closed • Vehic ehicle le statio ationa nary ry (dri (drivi ving ng speed peed < 0.7 km km/h /h)) • Lugga uggage ge comp compar artm tmen entt part partit itio ion n in lowe lowest st posi positi tion on • Lat Lateral eral incl inclin inat atio ion n of vehic ehicle le < 11° 11° • Pow ower er wind window owss init initia ialilize zed d • Battery ery volt oltage > 11.5 V • Less Less than than five five succe success ssiv ive e open openin ing/ g/cl clos osin ing g oper operat atio ions ns • Hy Hydr drau aulilic c fluid luid tempe emperratur ature e for open openin ing g < 90°C 90°C and and for clos closin ing g < 105°C 05°C • Elec Electr tric ical al syst ystem chec checkk succ succes essf sful ul • Prod Produc ucti tion on,, tran transp spor ortt and and wo work rksh shop op mo mode de (FeT (FeTrraWe) aWe) not not set. set. It is not not poss possib ible le to open open and and clos close e the retr etract actable able har hardtop dtop while hile driv drivin ing. g. Due Due to the high high curr curren entt cons consum umpt ptio ion n of the the retr etract actable able har hardtop dtop of up to 40 amps amps,, the the har hardtop dtop shou should ld only only be oper operat ated ed when when the the batt batter eryy char charge gerr is conn connec ecte ted d or the the engi engine ne is runn runnin ing. g.
Not Note: The The rear ear powe powerr wi wind ndow ow regul egulat ator ors s do not not hav have an anti anti-t -trrap syst ystem. em. Ther There e is also also no oneone-to touc uch h func functi tion on for for clos closin ing g the the rear rear wi wind ndow ows. s.
25 E89 Complete Complete Vehicle Vehicle
www.bmwcoders.com - your #1 BMW information source!!! Opening Opening the Retra Retractabl ctable e Hardtop Hardtop The The retr etract actable able har hardtop dtop is norm normal ally ly oper operat ated ed by pres pressi sing ng the the open open or clos close e butt button on in the the cent center er cons consol ole. e. The The har hardtop dtop mo movves for as lon long as the the butt button on is pres presse sed. d. The The gree green n LED in the the butt button on ligh lights ts up whil while e the the retr etract actable able har hardtop dtop is mo movi ving ng.. Move Moveme ment nt of the the retr etract actable able har hardtop dtop,, rear ear mo modu dule le or side side wind window owss is stop stoppe ped d im imme medi diat atel elyy if the the butt button on is relea elease sed d whil while e the the retr etract actable able hard hardttop is mo movi ving ng.. The The red LED LED then then flas flashe hess in the the butt button on.. Mov Movemen ementt of the the hard hardto top p can can be resum esumed ed by pres pressi sing ng the the butt button on agai again. n. Move Moveme ment nt of the the side ide wind windo ows can can be resu esumed med withi ithin n 10 seco second nds. s. If one one of the cond condit itio ions ns is not met, met, the the red LED LED will will liligh ghtt cont contin inuo uous usly ly.. The The conv conver erti tibl ble e top top mo modu dule le check checkss the the condi conditi tion onss for for open openin ing g the the retr retract actab able le hard hardto top p when when the the Open Open butt button on in the the cent center er cons consol ole e is pres presse sed. d. If the the chec checkk is succ succes esssful, ful, the the hard hardttop is open opened ed as foll follow ows: s: • Lower side ide wind window owss (if clos closed ed or in int interme ermedi diat ate e posi posittion) ion) • Relea elease se har hardtop dtop at cowl cowl pan panel • Swit Switch ch off off heat heated ed rear ear wind window ow (tak (takes es plac place e via via junc juncti tion on box box elec electr tron onic ics) s) • Unlock and open rear ear modu odule • Roof panel 2 is released and packed over roof panel 1 • Stow roof oof panel package in rear module and lock • Close ose and lock rear modu odule • Clos Close e side side windo indows ws.. The The har hardtop dtop is clos closed ed auto automa mati tica callllyy in the the rever everse se orde orderr. Operat Operating ing Condition Conditions s with Comfort Comfort Access Access
The The foll follow owin ing g func functi tion onss can can be perf perfor orme med d only only when when the the ID tran transm smit itte terr is less than 4 m away: • Open • Close • Easy asy Load oad featu eaturre
26 E89 Complete ete Vehicle Vehicle
www.bmwcoders.com - your #1 BMW information source!!! Autom Automat atic ic Soft Soft Close Close Syst System em The The auto automa mati tic c soft soft clos close e func functi tion on is inst instal alle led d as stan standa dard rd to conv conven enie ient ntly ly clos close e the the rear ear [tru [trunk nk]] lid. lid. The The auto automa mati tic c soft soft clos close e syste ystem m cons consis ists ts of two two driv drive e unit units. s. The The driv drive e unit unitss lock lock the rear ear lilid d on the left left and and righ rightt on the the rear ear modul odule e carr carrie ierr. This This incr increa ease sess the stabil abilit ityy of the the rear ear end. end.
Automa Automatic tic soft soft close close drive drive (1)
Each Each trun trunkk lid lid latc latch h asse assemb mbly ly has has a mi micr cros oswi witc tch. h. Thes These e two two mi micr cros oswi wittches ches are are oper operat ated ed when when the the rear ear lilid d lock lockss on the left left and and righ rightt have ave reach eached ed the lock lock strik triker ers. s. The The sign signal alss are are hard hard wir wired to the the junc juncti tion on box box elec electr tron onic icss whic which h then then mak makes the the sign signal al avai availa labl ble e to the the con convert vertib ible le top mo modu dule le via via the the K-CA K-CANN-bu bus. s. The The conv conver erti tibl ble e top top mo modu dule le then then actu actuat ates es the the two two driv drive e unit unitss of the aut autom omat atic ic soft oft clos close e system unt until the rear ear lid lid is lock locked ed.. Manu Manual ally ly shut shutti ting ng the the rear ear lilid d wo woul uld d mak make clos closin ing g via via the the auto automa mati tic c soft soft clos close e syste ystem m unne unnece cess ssar aryy. For saf safety ety reaso easons ns,, step stepss mus must be taken aken to ensu ensurre that that the the rear ear lid lid is comcomplet pletel elyy clos closed ed.. For this this reaso eason, n, the the driv drive e unit unitss of the the auto automa mati tic c soft soft clos close e syste ystem m are are stil stilll actuated. Both Both driv drive e unit unitss feat featur ure e a repea epeatt inte interl rloc ockk to avoi avoid d overh verhea eati ting ng.. The The repea epeatt inte interl rloc ockk allo allows ws the the aut autom omat atic ic soft soft clos close e syst ystem to be act actuat uated up to 20 tim times (cou (count nter er up to 20 incr increm emen ents ts). ). The The auto automa mati tic c soft soft close close syst system em is then then inhi inhibi bite ted d elect electri rical cally ly for for appr approx oxiimate mately ly 2 minu minute tes. s.
27 E89 Complete Complete Vehicle Vehicle
www.bmwcoders.com - your #1 BMW information source!!! Check Check Contr Control ol Messag Messages es It is not not poss possib ible le to open open or clos close e the retr etract actable able hardt ardtop op in cert certai ain n situ situat atio ions ns.. In such such case cases, s, corr corres espo pond ndin ing g mess messag ages es are are show shown n in the the ins instrum trumen entt clus cluste terr in the the form form of chec checkk control control messages. messages. A shor shortt mess messag age e and and addi additi tion onal al info inform rmat atio ion n are are show shown n on vehi vehicl cles es equi equipp pped ed with with a cencentral tral info inform rmat ation ion disp displa layy (CID (CID). ). The The chec checkk cont contrrol mess messag ages es prov provid ide e expl explan anat ator oryy info inform rmaation rela elating to the red LED in the button that lights up in the case of fault. An active chec checkk cont contrrol mess messag age e is show shown n every very 5 seco second nds. s. Check Control Symbol
28 E89 Complete ete Vehicle Vehicle
Check Control Message
Addit dition ional Information ion
Luggage compartment open!
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Roof Roof malfunctio malfunction! n!
No roof roof moveme movement nt possib possible. le. If the retr retract actabl able e hard hardto top p does does not not lock lock,, cont contac actt the the near neares estt BMW BMW dealer.
Roof Roof operation operation!!
Roof Roof movem movement ent not comple completed ted.. Check Check whether whether roof roof moveme movement nt is block blocked. ed. Then Then press press butto button n again.
Roof Roof control control failed! failed!
Roof oof posi positi tion on and and roof roof locki locking ng are are not not dete detect cted ed.. Trip rip can can be cont contin inue ued d if roof roof is lock locked ed secu secure rely ly.. See See Owne Owner’ r’ss Hand Handbo book ok for for info inform rmat atio ion n on checki checking ng the roof roof lock. lock.
Roof Roof not locke locked! d!
Roof oof not not lock locked ed.. Firs Firstt open open or clos close e roof roof comcompletel pletelyy befor before e contin continuin uing g trip. trip.
Luggage Luggage compartment compartment partition! partition!
No roof roof move moveme ment nt poss possib ible le.. Move Move lugg luggag age e comcompartme partment nt partit partition ion into into requir required ed positi position; on; see Owner’s Owner’s Handbook. Handbook.
Roof dr d rive overheated!
Roof drive overheated.
Roof Roof opera operatio tion n not possib possible! le!
Roof oof oper operat atio ion n only only poss possib ible le when when vehi vehicl cle e is stastationary.
Vehic ehicle le not not park parked ed on leve levell ground!
Vehic ehicle le not not park parked ed on leve levell grou ground nd.. No roof roof movement movement possible. possible.