Download
Share
Print this page
BMW F23 Soft Top Technology Reference Manual
  1. Manuals
  2. Brands
  3. BMW Manuals
  4. Automobile Accessories
  5. F23 Soft Top Technology
  6. Reference manual

BMW F23 Soft Top Technology Reference Manual

Hide thumbs

Advertisement

Quick Links

Download this manual
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 " ) .

Advertisement

loading
Need help?

Need help?

Do you have a question about the F23 Soft Top Technology and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for BMW F23 Soft Top Technology

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...