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BMW F23 Soft Top Technology Reference Manual

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R e f e r e n c e Ma n u a l
F 2 3 S OF T T OP
T E C H N OL OG Y
T e c h n i c a l T r a i n i n g
T h e i n f o r ma t i o n c o n t a i n e d i n t h i s ma n u a l i s n o t t o b e r e s o l d , b a r t e r e d , c o p i e d o r t r a n s f e r r e d
w i t h o u t t h e e x p r e s s w r i t t e n c o n s e n t o f B MW o f N o r t h A me r i c a , L L C ( " B MW N A " ) .

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Summary of Contents for BMW F23 Soft Top Technology

  • Page 1 R e f e r e n c e Ma n u a l F 2 3 S OF T T OP T E C H N OL OG Y T e c h n i c a l T r a i n i n g T h e i n f o r ma t i o n c o n t a i n e d i n t h i s ma n u a l i s n o t t o b e r e s o l d , b a r t e r e d , c o p i e d o r t r a n s f e r r e d w i t h o u t t h e e x p r e s s w r i t t e n c o n s e n t o f B MW o f N o r t h A me r i c a , L L C ( "...
  • Page 2 Technical￿training. Product￿information. F23￿Soft￿Top￿Technology BMW￿Service...
  • Page 3 General￿information Symbols￿used The￿following￿symbol￿is￿used￿in￿this￿document￿to￿facilitate￿better￿comprehension￿or￿to￿draw￿attention to￿very￿important￿information: Contains￿important￿safety￿information￿and￿information￿that￿needs￿to￿be￿observed￿strictly￿in￿order￿to guarantee￿the￿smooth￿operation￿of￿the￿system. Information￿status￿and￿national-market￿versions BMW￿Group￿vehicles￿meet￿the￿requirements￿of￿the￿highest￿safety￿and￿quality￿standards.￿Changes in￿requirements￿for￿environmental￿protection,￿customer￿benefits￿and￿design￿render￿necessary continuous￿development￿of￿systems￿and￿components.￿Consequently,￿there￿may￿be￿discrepancies between￿the￿contents￿of￿this￿document￿and￿the￿vehicles￿available￿in￿the￿training￿course. This￿document￿basically￿relates￿to￿the￿European￿version￿of￿left-hand￿drive￿vehicles.￿Some￿operating elements￿or￿components￿are￿arranged￿differently￿in￿right-hand￿drive￿vehicles￿than￿shown￿in￿the graphics￿in￿this￿document.￿Further￿differences￿may￿arise￿as￿a￿result￿of￿the￿equipment￿specification￿in specific￿markets￿or￿countries. Additional￿sources￿of￿information Further￿information￿on￿the￿individual￿topics￿can￿be￿found￿in￿the￿following: • Owner's￿Handbook • Integrated￿Service￿Technical￿Application. Contact:￿conceptinfo@bmw.de ©2014￿BMW￿AG,￿Munich Reprints￿of￿this￿publication￿or￿its￿parts￿require￿the￿written￿approval￿of￿BMW￿AG,￿Munich The￿information￿contained￿in￿this￿document￿forms￿an￿integral￿part￿of￿the￿technical￿training￿of￿the BMW￿Group￿and￿is￿intended￿for￿the￿trainer￿and￿participants￿in￿the￿seminar.￿Refer￿to￿the￿latest￿relevant information￿systems￿of￿the￿BMW￿Group￿for￿any￿changes/additions￿to￿the￿technical￿data. Information￿status:￿September￿2014 BV-72/Technical￿Training...
  • Page 4 F23￿Soft￿Top￿Technology Contents Introduction ................................................1.1. Special￿features ........................................Rollover￿Protection￿System ...................................... Wind￿Deflector ..............................................Soft￿ Top ..................................................4.1. System￿components ......................................4.1.1. Overview ......................................4.1.2. Mechanical￿components ............................4.1.3. Hydraulic￿components ............................. 4.1.4. Electrical￿components ............................. 4.2. Operation￿and￿function .................................... 4.2.1. Requirements ..................................4.2.2. Standard￿operation ................................ 4.2.3. Convenience￿functions ............................

  • Page 6: Introduction

    F23￿Soft￿Top￿Technology 1.￿Introduction From￿March￿2015￿the￿2-Series￿will￿expand￿its￿model￿line￿up￿with￿the￿F23￿2-Series￿Convertible.￿Similar to￿the￿1-Series￿Convertible￿E88,￿the￿F23￿is￿a￿four-seater￿convertible￿with￿a￿fully￿automatic￿soft￿top. BMW￿2-Series￿Convertible 1.1.￿Special￿features In￿contrast￿to￿the￿E88,￿the￿F23￿has￿the￿following￿special￿features: • Soft￿top￿with￿optimized￿sound￿insulation. • The￿soft￿top￿can￿be￿opened￿and￿closed￿while￿the￿car￿is￿being driven￿up￿to￿a￿speed￿of￿approximately￿30￿mph￿/￿50￿km/h. • Fully￿recessed￿rollover￿protection￿system. • Increased￿luggage￿compartment￿capacity.
  • Page 7 F23￿Soft￿Top￿Technology 2.￿Rollover￿Protection￿System F23￿Fully￿recessed￿rollover￿protection￿system Index Explanation Serrated￿strip Interlock￿pawl Electromagnetic￿actuator In￿the￿F23￿the￿rollover￿protection￿system￿is￿installed￿as￿standard￿behind￿the￿rear￿head￿restraints￿and￿is used￿for￿passive￿safety￿purposes.￿It￿is￿fully￿recessed,￿to￿ensure￿a￿clean￿design￿compared￿to￿the￿E88. The￿structure￿and￿function￿correspond￿to￿the￿greatest￿possible￿extent￿to￿the￿rollover￿protection system￿in￿the￿F33.￿In￿the￿event￿of￿the￿car￿rolling￿over,￿two￿rollover￿protection￿bars￿extend￿from￿the module￿within￿a￿split￿second￿and￿lock￿positively.￿This,￿together￿with￿the￿reinforced￿windshield￿frame protects￿the￿occupants￿in￿the￿vehicle. An￿accident￿situation￿that￿is￿critical￿to￿the￿occupants￿is￿identified￿by￿the￿sensor￿system￿and signalled￿to￿the￿Crash￿Safety￿Module￿(ACSM).￿This￿module￿outputs￿a￿signal￿for￿activating￿the￿two electromagnetic￿actuators￿in￿the￿rollover￿protection￿system. The￿actuators￿release￿the￿spring-based￿rollover￿protection￿bars.￿The￿two￿rollover￿protection￿bars extend￿within￿a￿split￿second￿and￿lock￿in￿their￿end￿position￿by￿means￿of￿an￿interlock￿pawl￿and￿toothed strip.
  • Page 8 F23￿Soft￿Top￿Technology 2.￿Rollover￿Protection￿System Special￿features: • Luggage￿compartment￿through-loading￿opening￿larger￿than￿the￿E88. • Increased￿passive￿safety. • Structure-orientated￿modular￿construction. • Reduced￿weight￿compared￿to￿a￿rollover￿protection￿system￿with￿fixed-bodyshell￿partition￿wall. • Load-bearing￿parts￿made￿from￿lightweight,￿high-strength￿aluminium. • Supported￿vehicle￿rigidity. • Reduction￿in￿consumption￿due￿to￿less￿weight. For￿functional￿checks￿the￿rollover￿protection￿system￿can￿be￿activated￿with￿the￿workshop￿information system￿ISTA￿and￿then￿manually￿deactivated￿again. Before￿the￿activation￿of￿the￿rollover￿protection￿system￿with￿the￿workshop￿information￿system￿ISTA, the￿soft￿top￿must￿be￿open.￿In￿addition,￿the￿two￿upper￿covers￿of￿the￿rollover￿protection￿bar￿must￿be unclipped￿and￿set￿down￿beside￿the￿openings.￿Otherwise,￿the￿soft￿top￿can￿be￿destroyed￿and￿the￿cover at￿the￿rollover￿protection￿system￿may￿sustain￿damage. The￿rollover￿protection￿system￿together￿with￿the￿strut￿concept￿ensures￿higher￿rigidity￿of￿the￿body. F23￿Rollover￿protection￿system￿and￿strut￿concept...
  • Page 9 F23￿Soft￿Top￿Technology 3.￿Wind￿Deflector F23￿Wind￿deflector Index Explanation Plastic￿air￿ducts￿("Flaps") Rotary￿lever The￿wind￿deflector￿(SA 387),￿is￿standard￿for￿the￿F23.￿It￿reduces￿the￿wind￿turbulence￿within￿the passenger￿compartment. Additional￿plastic￿air￿ducts￿("Flaps")￿have￿been￿integrated￿at￿the￿side￿of￿the￿frame.￿They￿reduce￿the air￿flow￿along￿the￿side￿trim￿panel￿even￿more￿efficiently￿so￿that￿there￿is￿a￿noticeable￿improvement, particularly￿in￿the￿outer￿arm￿area. The￿wind￿deflector￿can￿be￿installed￿and￿removed￿by￿one￿person. In￿order￿to￿store￿luggage￿on￿the￿rear￿seat￿when￿the￿wind￿deflector￿is￿installed,￿the￿bottom￿frame￿can￿be folded￿upwards.￿The￿two￿rear￿mounting￿bolts￿must￿be￿slackened￿using￿one￿of￿the￿two￿rotary￿levers. In￿this￿position￿the￿rear￿seat￿backrest￿can￿also￿be￿folded￿down. The￿overall￿height￿of￿the￿wind￿deflector￿is￿low￿when￿it￿is￿folded￿up￿as￿the￿upper￿frame￿folds￿into￿the lower￿frame.￿It￿can￿therefore￿be￿stowed￿in￿the￿luggage￿compartment￿to￿save￿space.
  • Page 10 F23￿Soft￿Top￿Technology 4.￿Soft￿Top F23￿Soft￿top The￿F23￿is￿a￿convertible￿with￿a￿fully￿automatic,￿electro-hydraulic￿soft￿top.￿The￿soft￿top￿of￿the￿F23￿is essentially￿based￿on￿the￿soft￿top￿of￿the￿E88. Operation￿is￿done￿by￿using￿the￿soft￿top￿button￿in￿the￿center￿console.￿In￿vehicles￿with￿the￿optional equipment￿Comfort￿Access￿(SA 322),￿the￿soft￿top￿can￿also￿be￿opened￿and￿closed￿using￿the￿ID transmitter. Similar￿to￿the￿E88,￿it￿takes￿approximately￿22￿seconds￿for￿the￿convertible￿top￿to￿open￿and￿close. What￿is￿new￿is￿the￿fact￿that￿the￿soft￿top￿can￿now￿be￿opened￿or￿closed￿up￿to￿a￿driving￿speed￿of 30￿mph￿/￿50 km/h￿(E88:￿starts￿up￿to￿25￿mph￿/￿40 km/h,￿continue￿driving￿up￿to￿30￿mph￿/￿50 km/h). The￿soft￿top￿is￿driven￿by￿a￿central￿hydraulic￿unit,￿which￿in￿turn￿is￿activated￿by￿the￿convertible￿top module￿(CVM).￿To￿monitor￿the￿movement￿processes￿the￿CVM￿reads￿a￿total￿of￿ten￿sensors. A￿new￿soft￿top￿cover￿with￿improved￿sound￿insulation￿is￿also￿used,￿consisting￿of￿outer￿fleece￿material, insulating￿material￿and￿under-fleece.￿The￿soft￿top￿cover￿can￿be￿ordered￿in￿two￿colors￿Moon￿light￿black and￿Brown￿with￿silver￿effect.￿The￿headlining￿is￿always￿black.

  • Page 11: Overview

    F23￿Soft￿Top￿Technology 4.￿Soft￿Top 4.1.￿System￿components 4.1.1.￿Overview F23￿Structure￿of￿the￿soft￿top...
  • Page 12 F23￿Soft￿Top￿Technology 4.￿Soft￿Top Index Explanation Soft￿top￿cover Convertible￿top￿frame Variable￿soft￿top￿compartment Soft￿top￿compartment￿lid Soft￿top￿seals Hydraulic￿system Headlining The￿main￿soft￿top￿components,￿divided￿into￿mechanical,￿hydraulic￿and￿electrical￿components,￿are described￿in￿the￿following￿text. 4.1.2.￿Mechanical￿components F23￿Structure￿of￿the￿convertible￿top￿frame...
  • Page 13 F23￿Soft￿Top￿Technology 4.￿Soft￿Top Index Explanation Front￿soft￿top￿bow Soft￿top￿bow Rear￿soft￿top￿bow Soft-top￿bow Upper￿tension￿rod Main￿controller Main￿pillar Lower￿tension￿rod Kinematics￿box Carrier￿plate Main￿bearing Controller Roof￿controller The￿convertible￿top￿frame￿is￿the￿framework￿to￿which￿the￿soft￿top￿cover,￿the￿headlining￿and￿the￿seals are￿mounted.￿It￿is￿connected￿to￿the￿bodyshell￿on￿the￿left￿and￿right￿via￿a￿carrier￿plate.￿For￿the￿removal of￿the￿soft￿top￿the￿main￿bearings￿are￿unscrewed￿from￿the￿carrier￿plates￿set￿ex￿works.￿The￿carrier￿plate remains￿connected￿to￿the￿bodyshell.￿No￿further￿adjusting￿procedures￿are￿therefore￿necessary￿after￿the installation￿of￿the￿soft￿top. If￿the￿carrier￿plates￿are￿removed￿from￿the￿body,￿the￿soft￿top￿must￿be￿adjusted. The￿main￿pillars￿and￿the￿soft-top￿bow￿are￿driven￿by￿the￿hydraulic￿cylinders￿for￿the￿opening￿and￿closing of￿the￿soft￿top.￿The￿soft￿top￿is￿locked￿at￿the￿cowl￿panel￿by￿the￿front￿soft￿top￿bow.
  • Page 14 F23￿Soft￿Top￿Technology 4.￿Soft￿Top Cowl￿panel￿lock￿drive F23￿Structure￿of￿the￿cowl￿panel￿lock￿drive Index Explanation Soft￿top￿latch Pushrod Drive,￿soft￿top￿locking￿(consisting￿of￿electric￿motor, incremental￿sensor￿and￿transmission) Guide￿pin Coupling￿lever...
  • Page 15 F23￿Soft￿Top￿Technology 4.￿Soft￿Top Index Explanation Carrier￿plate Retaining￿hook Emergency￿operation￿of￿cowl￿panel￿lock￿drive Hall￿effect￿sensor,￿retaining￿hooks￿closed To￿lock￿and￿unlock￿the￿front￿soft￿top￿bow￿with￿the￿windscreen￿frame,￿the￿retaining￿hooks￿are￿moved￿by an￿electric￿motor￿via￿the￿pushrods￿and￿the￿transmission. A￿hall￿effect￿sensor￿on￿the￿carrier￿plate￿detects￿the￿locked￿position￿of￿the￿retaining￿hooks,￿all￿other positions￿are￿determined￿by￿means￿of￿an￿incremental￿sensor￿in￿the￿electric￿motor. In￿the￿event￿of￿a￿fault,￿the￿cowl￿panel￿lock￿drive￿can￿be￿locked￿or￿unlocked￿mechanically￿via￿the emergency￿operation.
  • Page 16 F23￿Soft￿Top￿Technology 4.￿Soft￿Top Soft￿top￿compartment￿lid F23￿Soft￿top￿compartment￿lid Index Explanation Carrier￿plate Hinge The￿soft￿top￿compartment￿lid￿of￿the￿F23￿is￿made￿from￿steel.￿The￿two￿locks￿are￿operated￿by￿the corresponding￿kinematics￿via￿linkage. The￿soft￿top￿compartment￿lid￿is￿connected￿to￿the￿hinges￿via￿two￿carrier￿plates.￿For￿the￿removal￿of￿the soft￿top￿compartment￿lid￿the￿hinges￿are￿unscrewed￿from￿the￿carrier￿plates.￿The￿carrier￿plates￿remain connected￿to￿the￿soft￿top￿compartment￿lid.￿No￿further￿adjusting￿procedures￿are￿therefore￿necessary after￿the￿installation￿of￿the￿soft￿top￿compartment￿lid. If￿the￿carrier￿plates￿are￿removed,￿the￿soft￿top￿compartment￿lid￿must￿be￿adjusted.
  • Page 17 F23￿Soft￿Top￿Technology 4.￿Soft￿Top Variable￿soft￿top￿compartment F23￿Variable￿soft￿top￿compartment Index Explanation Hinged￿panel￿in￿upper￿position Hinged￿panel￿in￿lower￿position Fabric￿hood Leaf￿spring Hinged￿plate Microswitch￿for￿hinged￿plate,￿soft￿top￿compartment,￿bottom...
  • Page 18 F23￿Soft￿Top￿Technology 4.￿Soft￿Top As￿is￿already￿the￿case￿in￿the￿E88,￿the￿luggage￿compartment￿capacity￿of￿the￿F23￿can￿also￿be￿increased when￿the￿soft￿top￿is￿closed. Moving￿the￿variable￿soft￿top￿compartment￿into￿the￿upper￿position￿increases￿the￿luggage￿compartment capacity￿from￿280￿to￿335￿liters. Before￿the￿soft￿top￿is￿opened,￿variable￿soft￿top￿compartment￿must￿be￿returned￿to￿the￿lower￿position. The￿lower￿position￿of￿the￿variable￿soft￿top￿compartment￿is￿detected￿by￿a￿microswitch￿on￿the￿right￿side of￿the￿frame￿and￿signalled￿to￿the￿convertible￿top￿module￿(CVM). 4.1.3.￿Hydraulic￿components Layout￿and￿function F23￿Overview￿of￿the￿hydraulic￿components...
  • Page 19 F23￿Soft￿Top￿Technology 4.￿Soft￿Top Index Explanation Hydraulic￿cylinder,￿main￿pillar Hydraulic￿cylinder,￿soft-top￿bow Hydraulic￿cylinder,￿soft￿top￿compartment￿lid Hydraulic￿unit Solenoid￿valve￿(for￿the￿activation￿of￿the￿changeover￿valve￿3￿–￿raise￿main￿pillar) Solenoid￿valve￿(for￿the￿activation￿of￿the￿changeover￿valve￿1￿–￿soft￿top compartment￿lid) Solenoid￿valve￿(for￿the￿activation￿of￿the￿changeover￿valve￿2￿–￿lower￿main￿pillar) Drive￿unit￿(pump￿motor￿with￿hydraulic￿pump) Relay￿(for￿the￿activation￿of￿the￿pump￿motor;￿2x) Switching￿block Oil￿reservoir Oil￿filler￿plug The￿soft￿top￿is￿driven￿hydraulically.￿The￿hydraulic￿system￿comprises￿six￿hydraulic￿cylinders￿which￿are activated￿via￿hydraulic￿lines￿in￿pairs￿by￿the￿hydraulic￿unit.￿The￿hydraulic￿cylinders￿can￿be￿pressurised￿at the￿piston￿and￿rod￿ends. The￿direction￿in￿which￿the￿hydraulic￿cylinders￿for￿the￿soft-top￿bow￿are￿actuated￿is￿dependent￿on￿the direction￿in￿which￿the￿hydraulic￿pump￿rotates.￿The￿directions￿in￿which￿the￿hydraulic￿cylinders￿for￿the soft￿top￿compartment￿lid￿and￿the￿main￿pillars￿are￿actuated￿are￿dependent￿on￿the￿setting￿of￿the￿relevant changeover￿valves.￿When￿a￿hydraulic￿cylinder￿is￿pressurised￿at￿both￿ends,￿the￿pressure￿at￿the￿piston rod￿end￿is￿greater￿(due￿to￿the￿larger￿reference￿surface)￿and￿the￿piston￿rod￿extends. The￿hydraulic￿unit￿is￿located￿at￿the￿rear￿right￿in￿the￿luggage￿compartment.￿The￿hydraulic￿fluid￿does￿not have￿to￿be￿changed￿(life-time￿oil￿filling).￿When￿topping￿up￿the￿hydraulic￿fluid,￿for￿e.g.￿due￿to￿a￿leak,￿the hydraulic￿unit￿must￿be￿removed￿from￿the￿foam￿housing.￿The￿hydraulic￿system￿is￿automatically￿bled￿in the￿oil￿reservoir. The￿temperature￿of￿the￿hydraulic￿pump￿is￿determined￿by￿the￿convertible￿top￿module￿(CVM)￿by￿means of￿a￿computing￿model.￿The￿hydraulic￿pump￿can￿run￿without￿interruption￿for￿roughly￿8 minutes.￿The￿soft top￿can￿be￿operated￿again￿after￿the￿hydraulic￿pump￿has￿cooled￿down. The￿system￿pressure￿is￿restricted￿by￿a￿pressure￿limiting￿valve￿to￿170 bar￿(+ 20 bar).￿The￿operating pressure￿is￿maximum￿190￿bar￿at￿room￿temperature. If￿the￿soft￿top￿movement￿is￿interrupted,￿the￿hydraulic￿system￿is￿automatically￿depressurized￿after￿a certain￿time.￿When￿terminal￿15￿is￿activated,￿this￿happens￿after￿approximately￿12￿minutes;￿otherwise, after￿a￿few￿seconds.￿As￿a￿result,￿the￿soft￿top￿may￿move￿unintentionally￿￿The￿soft￿top￿compartment￿lid￿is closed￿in￿sections,￿whereby￿the￿changeover￿valve 1￿is￿supplied￿with￿current￿on￿a￿rotating￿basis.
  • Page 20 F23￿Soft￿Top￿Technology 4.￿Soft￿Top System￿wiring￿diagram￿for￿hydraulics F23￿System￿wiring￿diagram￿for￿soft￿top￿hydraulics Index Explanation Hydraulic￿cylinder,￿soft￿top￿compartment￿lid Hydraulic￿cylinder,￿main￿pillar Hydraulic￿cylinder,￿soft-top￿bow Pressure￿limiting￿valve Pressure￿limiting￿valve Hydraulic￿pump Silencer Oil￿reservoir...
  • Page 21 F23￿Soft￿Top￿Technology 4.￿Soft￿Top Index Explanation Pressure￿limiting￿valve Changeover￿valve￿3￿(raise￿main￿pillar) Changeover￿valve￿2￿(lower￿main￿pillar) Changeover￿valve 1￿(soft￿top￿compartment￿lid) 4.1.4.￿Electrical￿components The￿following￿electrical￿components￿are￿involved￿in￿the￿function￿of￿the￿soft￿top: • Convertible￿top￿module￿(CVM). • Soft￿top￿button￿in￿the￿center￿console. • Electric￿motor￿for￿locking￿the￿retaining￿hooks￿(with￿incremental￿sensor￿for￿position identification),￿protected￿by￿a￿20 A￿fuse￿in￿the￿power￿distribution￿box,￿luggage￿compartment. • Electric￿motor￿for￿the￿drive￿of￿the￿hydraulic￿pump,￿protected￿by￿a￿40 A￿fuse￿in￿the￿power distribution￿box,￿luggage￿compartment. • Two￿relays￿for￿activating￿the￿hydraulic￿pump￿motor. • Three￿solenoid￿valves￿for￿activating￿the￿changeover￿valves. • Two￿microswitches￿and￿eight￿hall￿effect￿sensors￿for￿identifying￿the￿position￿of￿the￿soft￿top.
  • Page 22 F23￿Soft￿Top￿Technology 4.￿Soft￿Top Buttons,￿control￿unit￿and￿drive F23￿soft￿top￿button,￿convertible￿top￿module￿and￿drives Index Explanation Soft￿top￿locking￿drive Convertible￿top￿module￿(CVM) Soft￿top￿button Pump￿motor,￿hydraulic￿unit...
  • Page 23 F23￿Soft￿Top￿Technology 4.￿Soft￿Top Sensors F23￿Overview￿of￿sensors￿of￿soft￿top Index Explanation Hall￿effect￿sensor,￿cowl￿panel￿locked Drive,￿soft￿top￿locking￿(with￿integrated￿incremental￿sensor) Microswitch￿for￿hinged￿plate,￿soft￿top￿compartment,￿bottom Hall￿effect￿sensor,￿soft￿top￿compartment￿lid￿open Microswitch,￿soft￿top￿compartment￿lid￿closed Hall￿effect￿sensor,￿main￿pillar￿positioned Hall￿effect￿sensor,￿main￿pillar￿set￿down Hall￿effect￿sensor,￿soft-top￿bow￿positioned Hall￿effect￿sensor,￿soft-top￿bow￿set￿down Hall￿effect￿sensor,￿soft-top￿bow￿relaxed...
  • Page 24 F23￿Soft￿Top￿Technology 4.￿Soft￿Top All￿positions￿for￿the￿soft￿top￿movement￿are￿evaluated￿by￿eight￿hall￿effect￿sensors￿and￿two microswitches￿and￿are￿signalled￿to￿the￿convertible￿top￿module￿(CVM).￿All￿sensors￿of￿the￿soft￿top￿are supplied￿with￿voltage￿by￿the￿convertible￿top￿module￿(CVM)￿and￿have￿diagnostic￿capability. Incremental￿sensor:￿A￿hall￿effect￿sensor￿is￿installed￿as￿an￿incremental￿sensor,￿which￿is • located￿in￿the￿electric￿motor￿of￿the￿soft￿top￿locking.￿It￿detects￿all￿positions￿of￿the￿electric￿motor and￿also￿the￿retaining￿hooks. Hall￿effect￿sensor,￿cowl￿panel￿locked:￿The￿hall￿effect￿sensor￿is￿located￿at￿the￿carrier￿plate • of￿the￿cowl￿panel￿lock￿drive.￿When￿the￿retaining￿hooks￿are￿fully￿locked,￿the￿hall￿effect￿sensor detects￿the￿corresponding￿position￿of￿the￿hub￿at￿the￿drive￿of￿the￿soft￿top￿locking. Hall￿effect￿sensor,￿soft-top￿bow￿set￿down:￿The￿hall￿effect￿sensor￿is￿secured￿via￿an￿adapter • plate￿in￿the￿front￿area￿of￿the￿right￿convertible￿top￿main￿bearing.￿If￿the￿soft-top￿bow￿is￿in￿an￿area before￿the￿dead￿center￿of￿the￿tension￿rods￿as￿far￿as￿complete￿lowering,￿the￿hall￿effect￿sensor detects￿the￿corresponding￿position￿of￿the￿bottom￿lowering￿lever. Hall￿effect￿sensor,￿soft-top￿bow￿relaxed:￿The￿hall￿effect￿sensor￿is￿located￿in￿the￿rear￿area￿of • the￿right￿hydraulic￿cylinder￿of￿the￿soft-top￿bow.￿If￿the￿tension￿rods￿are￿in￿dead￿center,￿the￿hall effect￿sensor￿detects￿the￿corresponding￿position￿of￿the￿piston￿rod. Hall￿effect￿sensor,￿soft-top￿bow￿positioned:￿The￿hall￿effect￿sensor￿is￿secured￿via￿an • adapter￿plate￿at￿the￿right￿convertible￿top￿main￿bearing.￿If￿the￿soft-top￿bow￿is￿fully￿positioned, the￿hall￿effect￿sensor￿detects￿the￿corresponding￿position￿of￿the￿top￿lowering￿lever. Hall￿effect￿sensor,￿main￿pillar￿positioned:￿The￿hall￿effect￿sensor￿is￿secured￿at￿the￿right • convertible￿top￿main￿bearing.￿If￿the￿main￿pillar￿is￿fully￿positioned,￿the￿hall￿effect￿sensor￿detects the￿corresponding￿position￿of￿a￿relay￿lever. Hall￿effect￿sensor,￿main￿pillar￿set￿down:￿The￿hall￿effect￿sensor￿is￿secured￿in￿the￿rear￿area • of￿the￿right￿convertible￿top￿main￿bearing.￿If￿the￿right￿main￿pillar￿is￿set￿down￿fully,￿the￿hall￿effect sensor￿detects￿the￿corresponding￿position￿of￿the￿main￿pillar. Microswitch,￿soft￿top￿compartment￿lid￿closed:￿The￿microswitch￿is￿secured￿in￿the￿front • area￿of￿the￿carrier￿plate￿of￿the￿left￿kinematics￿box.￿When￿the￿soft￿top￿compartment￿lid￿is￿fully closed,￿the￿microswitch￿is￿operated￿via￿an￿operating￿lever￿of￿the￿top￿drive￿arm. Hall￿effect￿sensor,￿soft￿top￿compartment￿lid￿open:￿The￿hall￿effect￿sensor￿is￿secured￿in￿the • rear￿area￿of￿the￿carrier￿plate￿of￿the￿left￿kinematics￿box.￿When￿the￿soft￿top￿compartment￿lid￿is fully￿open,￿the￿hall￿effect￿sensor￿detects￿the￿corresponding￿position￿of￿the￿bottom￿controller.
  • Page 25 F23￿Soft￿Top￿Technology 4.￿Soft￿Top System￿wiring￿diagram￿for￿the￿convertible￿top￿module F23￿System￿wiring￿diagram￿for￿the￿convertible￿top￿module...
  • Page 26 F23￿Soft￿Top￿Technology 4.￿Soft￿Top Index Explanation Front￿Electronic￿Module￿(FEM) Power￿window￿motor,￿passenger's￿side Soft￿top￿button Drive,￿soft￿top￿locking￿(with￿hall￿effect￿sensor, cowl￿panel￿locked,￿and￿incremental￿sensor) Hall￿effect￿sensor,￿soft-top￿bow￿set￿down Hall￿effect￿sensor,￿soft-top￿bow￿relaxed Hall￿effect￿sensor,￿soft-top￿bow￿positioned Convertible￿top￿module￿(CVM) Power￿window￿motor,￿passenger's￿side￿rear Hall￿effect￿sensor,￿main￿pillar￿positioned Hall￿effect￿sensor,￿main￿pillar￿set￿down Heated￿rear￿window Lockout￿circuit￿for￿rear￿window￿heating￿2 Lockout￿circuit￿for￿rear￿window￿heating￿1 Hydraulic￿unit Rear￿Electronic￿Module￿(REM) Power￿distribution￿box,￿luggage￿compartment Microswitch￿for￿hinged￿plate,￿soft￿top￿compartment,￿bottom Hall￿effect￿sensor,￿soft￿top￿compartment￿lid￿open Microswitch,￿soft￿top￿compartment￿lid￿closed Power￿window￿motor,￿driver's￿side￿rear Switch￿block,￿driver's￿door Power￿window￿motor,￿driver's￿side￿front...

  • Page 27: Requirements

    F23￿Soft￿Top￿Technology 4.￿Soft￿Top 4.2.￿Operation￿and￿function Danger￿of￿injury￿ Always￿observe￿opening￿and￿closing￿action￿of￿the￿soft￿top￿and￿ensure￿nobody￿gets￿trapped. Otherwise,￿injuries￿may￿occur. Do￿not￿operate￿the￿soft￿top￿when￿the￿rollover￿protection￿bars￿of￿the￿rollover￿protection￿system￿are extended.￿The￿soft￿top￿could￿otherwise￿incur￿damage. 4.2.1.￿Requirements The￿following￿conditions￿must￿be￿satisfied￿before￿the￿soft￿top￿can￿be￿opened￿or￿closed: • The￿variable￿soft￿top￿compartment￿in￿the￿lower￿position. • Trunk￿lid￿closed. • Driving￿speed￿<￿30￿mph￿/￿50 km/h. • Ambient￿temperature￿>￿–10 °C￿/￿14￿°F. • Terminal￿R￿or￿terminal￿15￿activated￿(only￿for￿standard￿operation￿with￿the￿soft￿top￿button). • Power￿window￿regulators￿are￿initialized. • Battery￿voltage￿>￿10.5 V. • Temperature￿of￿hydraulic￿pump￿not￿too￿high.￿(The￿temperature￿of￿the￿hydraulic￿pump￿is recorded￿by￿the￿convertible￿top￿module￿(CVM)￿by￿means￿of￿a￿computing￿model.￿The￿hydraulic pump￿can￿run￿without￿interruption￿for￿roughly￿8 minutes.￿The￿soft￿top￿can￿be￿operated￿again after￿the￿hydraulic￿pump￿has￿cooled￿down.) • Car￿is￿not￿in￿transport￿mode. If￿the￿soft￿top￿button￿is￿operated￿and￿one￿of￿the￿preconditions￿is￿not￿satisfied,￿the￿opening￿or￿closing action￿is￿not￿started.￿In￿addition,￿a￿Check￿Control￿message￿is￿displayed￿in￿the￿instrument￿cluster.
  • Page 28 F23￿Soft￿Top￿Technology 4.￿Soft￿Top 4.2.2.￿Standard￿operation Standard￿operation￿of￿the￿soft￿top￿is￿performed￿by￿way￿of￿the￿soft￿top￿button￿in￿the￿center￿console. F23￿Soft￿top￿button Movement￿of￿the￿soft￿top￿is￿performed￿as￿long￿as￿the￿soft￿top￿button￿is￿operated. • Press￿soft￿top￿button:￿Soft￿top￿is￿opened. • Pull￿soft￿top￿button:￿Soft￿top￿is￿closed. If￿the￿soft￿top￿button￿is￿released￿during￿opening￿or￿closing￿of￿the￿soft￿top,￿the￿movements￿of￿the￿soft top￿or￿the￿side￿windows￿are￿interrupted￿immediately￿and￿a￿Check￿Control￿message￿is￿displayed￿in￿the instrument￿cluster.￿The￿movements￿are￿resumed￿when￿the￿soft￿top￿button￿is￿operated￿again.
  • Page 29 F23￿Soft￿Top￿Technology 4.￿Soft￿Top Procedure￿for￿opening￿the￿soft￿top By￿pressing￿the￿soft￿top￿button￿the￿conditions￿for￿opening￿the￿soft￿top￿are￿checked￿by￿the￿convertible top￿module￿(CVM).￿If￿all￿the￿conditions￿are￿satisfied,￿the￿soft￿top￿is￿opened. F23￿Procedure￿for￿opening￿the￿soft￿top Index Explanation If￿the￿side￿windows￿are￿raised,￿they￿are￿fully￿lowered. The￿front￿soft￿top￿bow￿is￿unlocked￿at￿the￿cowl￿panel and￿raised￿together￿with￿the￿soft-top￿bow. The￿soft￿top￿compartment￿lid￿is￿unlocked￿and￿raised. The￿soft-top￿bow￿is￿lowered,￿the￿soft￿top￿is￿swung￿in￿the rearward￿direction￿and￿positioned￿in￿the￿soft￿top￿compartment. If￿necessary,￿the￿heated￿rear￿window￿is￿switched￿off. The￿soft￿top￿compartment￿lid￿is￿closed￿and￿locked. The￿side￿windows￿are￿brought￿into￿the￿initial￿setting (after￿a￿delay￿of￿approx.￿1￿second).
  • Page 30 F23￿Soft￿Top￿Technology 4.￿Soft￿Top Procedure￿for￿closing￿the￿soft￿top By￿pulling￿the￿soft￿top￿button￿the￿conditions￿for￿closing￿the￿soft￿top￿are￿checked￿by￿the￿convertible￿top module￿(CVM).￿If￿all￿the￿conditions￿are￿satisfied,￿the￿soft￿top￿is￿closed. F23￿Procedure￿for￿closing￿the￿soft￿top Index Explanation If￿the￿side￿windows￿are￿raised,￿they￿are￿partially￿lowered. The￿soft￿top￿compartment￿lid￿is￿unlocked￿and￿raised. The￿soft￿top￿is￿lifted￿out￿of￿the￿soft￿top￿compartment￿and moved￿to￿the￿front,￿the￿soft-top￿bow￿is￿raised. The￿soft￿top￿compartment￿lid￿is￿closed￿and￿locked. The￿rear￿soft￿top￿bow￿and￿the￿front￿soft￿top￿bow￿are￿lowered, the￿front￿soft￿top￿bow￿is￿locked￿at￿the￿cowl￿panel. The￿side￿windows￿are￿closed.
  • Page 31 F23￿Soft￿Top￿Technology 4.￿Soft￿Top 4.2.3.￿Convenience￿functions In￿vehicles￿with￿the￿optional￿equipment￿Comfort￿Access￿(SA 322),￿the￿soft￿top￿can￿also￿be￿opened and￿closed￿using￿the￿ID￿transmitter. For￿the￿convenience￿function￿of￿the￿soft￿top,￿terminal￿R￿or￿terminal￿15￿cannot￿be￿activated.￿The￿ID transmitter￿must￿however￿be￿situated￿in￿the￿immediate￿vicinity￿of￿the￿vehicle.￿Otherwise￿the￿same prerequisites￿as￿for￿standard￿operation￿apply. To￿open￿or￿close￿the￿soft￿top￿with￿the￿ID￿transmitter,￿the￿Unlock/Lock￿button￿must￿be￿pressed￿and held￿down.￿After￿a￿short￿waiting￿period￿the￿soft￿top￿is￿opened￿or￿closed.￿The￿opening￿or￿closing￿action is￿immediately￿interrupted￿when￿the￿Unlock/Lock￿button￿is￿released￿or￿the￿button￿on￿a￿different￿ID transmitter￿is￿pressed￿or￿the￿ID￿transmitter￿range￿is￿outside￿the￿range. 4.3.￿Notes￿for￿service 4.3.1.￿Check￿Control￿messages In￿certain￿situations￿it￿will￿not￿be￿possible￿to￿open￿or￿close￿the￿soft￿top.￿In￿this￿case,￿one￿or￿more Check￿Control￿messages￿are￿displayed￿in￿the￿instrument￿cluster￿and￿appear￿as￿plain￿text￿in￿the￿central information￿display. The￿following￿table￿provides￿an￿overview￿of￿the￿possible￿messages: Check￿Control Check￿Control Text￿in￿central￿information￿display symbol message Roof￿movement completed Luggage￿compartment Luggage￿compartment￿partition partition Put￿luggage￿compartment￿partition in￿lower￿position. Roof Roof Drive￿more￿slowly Speed￿for￿opening/closing￿the￿roof￿exceeded. Reduce￿speed￿and￿continue￿opening/closing. Roof Roof Opening/closing￿temporarily￿not￿possible. Possible￿causes,￿see￿Owner's￿Handbook.
  • Page 32 F23￿Soft￿Top￿Technology 4.￿Soft￿Top Check￿Control Check￿Control Text￿in￿central￿information￿display symbol message Roof Roof Roof￿control￿failed. Manual￿opening/closing￿possible,￿see￿Owner's Handbook. Roof￿not Roof locked￿ Roof￿not￿locked. Fully￿open￿or￿close￿roof￿first,￿then￿continue￿driving. See￿Owner's￿Handbook. Roof Roof Check￿lock￿ Control￿failed￿￿If￿roof￿is￿securely￿locked,￿continued driving￿is￿possible.￿Information￿on￿checking￿the lock,￿see￿Owner's￿Handbook. Have￿vehicle￿checked￿by￿your￿BMW￿Service authorised￿workshop.
  • Page 33 Bayerische￿Motorenwerke￿Aktiengesellschaft Qualifizierung￿und￿Training Röntgenstraße￿7 85716￿Unterschleißheim,￿Germany...