Diagram sections — 32 (73 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS NAVIGATION POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram (1 of 2) for BMW Z4 2004 List of elements for Automatic A/C Wiring Diagram (1 of 2) for BMW Z4 2004: 40 A/c comp ctrl A/c press sens Air dist sen gnd Auc sensor Blower motor (right side of dash) Blwr ctrl pwr Comp enbl dme Computer data lines system Coolant pressure sensor (right side of engine compt) Defogger system Evap tmp sen gnd Evap tmp sens Flap mtr gnd Flap mtr sig Fresh air/ recirculating flap motor (right side of dash) Fuse f22 5a Fuse f39 7.5a Gnd Heating & a/c system Hot at all times Hot in run & start Interior lights system K-bus sig Mi-bus Mi-bus mtr gnd Mi-bus mtr pwr Mix air tmp sens Power distribution (right side of dash) Rear defogger rly Rear defogger sig Red Refrigerant compressor control valve (right side of engine compt) Term 15 Term 30 Term 58g X11005 X11007 X4714 X490 (right kick panel) X610 Automatic A/C Wiring Diagram (2 of 2) for BMW Z4 2004 List of elements for Automatic A/C Wiring Diagram (2 of 2) for BMW Z4 2004: 28 (right kick panel) x490 A/c comp Blower output stage (right side of dash) Cool out temp Cool temp Cool temp sig Defroster flap motor (right side of dash) Digital motor electronics (dme) control unit (left rear of engine compt) Electric fan Engine coolant temperature sensor Evaporative temperature sensor (left side of dash) Fan Footwell flap motor (right side of dash) Fuse f57 40a Fuse f61 60a Hot at all times Mix air temperature sensor Mixer flap motor (right side of dash) Nca Power distribution (right side of dash) Red Remote temperature sensor Ventilation flap motor (right side of dash) X11010 X166 (right side of engine compt) X1704 X60003 X60004 Manual A/C Wiring Diagram for BMW Z4 2004 List of elements for Manual A/C Wiring Diagram for BMW Z4 2004: 63 (pins 19-26 not used) (right kick panel) x490 A/c comp A/c comp ctrl A/c press sens Air dist sen gnd Air dist sig input Air distribution flap motor Air distribution microswitch Blower motor (right side of dash) Blower output stage (right side of dash) Blwr ctrl pwr Comp enbl dme Computer data lines system Cool out temp Cool temp Cool temp sig Coolant pressure sensor (right side of engine compt) Defogger system Digital motor electronics (dme) control unit (left rear of engine compt) Electric fan Engine coolant temperature sensor Evap tmp sen gnd Evap tmp sens Evaporative temperature sensor (left side of dash) Fan Flap mtr gnd Flap mtr sig Fresh air/ recirculating flap motor (right side of dash) Fuse f22 5a Fuse f39 7.5a Fuse f57 40a Fuse f61 60a Gnd Heating & a/c system Hot at all times Hot in run & start Interior lights system K-bus sig Mi-bus Mi-bus mtr gnd Mi-bus mtr pwr Mixer flap motor (right side of dash) Nca Power distribution (right side of dash) Rear defogger rly Rear defogger sig Red Refrigerant compressor control valve (right side of engine compt) Remote temperature sensor Term 15 Term 30 Term 58g X11005 X11007 X11010 X166 (right side of engine compt) X1704 X4714 X490 (right kick panel) X60003 X60004 X610
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram for BMW Z4 2004 List of elements for Anti-lock Brakes Wiring Diagram for BMW Z4 2004: 69 (left footwell) obd ii socket Abs/dsc unit (left rear of engine compt) Asc passive Brake fluid Brake fluid level Brake light Brakelight switch (on bracket, above brake pedal) Can high Can low Center console switch center Diag txd Digital motor electronics control unit Dsc sens Dsc sensor Dsc switch Electronic power steering Exterior lights system Fuse f14 5a Fuse f16 25a Fuse f24 5a Fuse f42 30a Fuse f43 30a Fuse f7 5a Ground Hands free Hot at all times Hot in run or start Hot in run, accy or start Instrument cluster control module Left front speed sensor (wheel hub) Left rear speed sensor (wheel hub) Lf whl spd Lr spd out Lr whl spd Mirror fold-in control unit Navigation system Nca Park brake Park brake switch Power distribution (right side of dash) Press sens 1 Press sens 2 Pressure sensor 1 Pressure sensor 2 Red Rf whl spd Right front speed sensor (wheel hub) Right rear speed sensor (wheel hub) Rr whl out Rr whl spd Steering angle sensor (in column) Switch Telephone transceiver (w/o navi) Tire defect Tire failure indicator Warn ind X10313 X11004 X11005 X11007 X1105 (left side of dash) X11175 X1312 X170 (right rear of engine compt) X173 (left side of dash) X18303 X1869 X521 X60004
ANTI-THEFT Drive-Away Protection Wiring Diagram, with A/T for BMW Z4 2004 List of elements for Drive-Away Protection Wiring Diagram, with A/T for BMW Z4 2004: 41 A/t switch sig Acc Computer data lines system Cond wheel spd Digital motor electronic control unit (left rear of engine compt) Drv awy prot Electronic immobilizer control unit Ews toroidal coil Ews toroidal coil sig Fuse f10 5a Fuse f12 5a Fuse f54 40a Gnd Hot at all times Hot in accy, run & start Ignition switch Instrument cluster control module K-bus sig Lock Power distribution (right side of dash) Red Run Start Starter Starter sig Starting/ charging system Term 30 Term 50 sig Term 50 sig lock Term r Trans sw sig Transmission control unit (left rear of engine compt) X11007 X11012 X1105 (left side of dash) X11175 X1659 X60004 X6510 X6512 X70003 Drive-Away Protection Wiring Diagram, with M/T for BMW Z4 2004 List of elements for Drive-Away Protection Wiring Diagram, with M/T for BMW Z4 2004: 39 Acc Clutch switch Computer data lines system Cond wheel spd Digital motor electronic control unit (left rear of engine compt) Drv awy prot Electronic immobilizer control unit Ews toroidal coil Ews toroidal coil sig Fuse f10 5a Fuse f12 5a Fuse f54 40a Gnd Hot at all times Hot in accy, run & start Ignition switch Instrument cluster control module K-bus sig Lock Power distribution (right side of dash) Red Run Start Start lock sw m/t sig Starter Starter sig Starting/ charging system Term 30 Term 50 sig Term 50 sig lock Term r X11007 X11012 X1105 (left side of dash) X11175 X1659 X60004 X6510 X6512 Drive-Away Protection Wiring Diagram, with SMG for BMW Z4 2004 List of elements for Drive-Away Protection Wiring Diagram, with SMG for BMW Z4 2004: 40 A/t switch sig Acc Computer data lines system Cond wheel spd Digital motor electronic control unit (left rear of engine compt) Drv awy prot Electronic immobilizer control unit Ews toroidal coil Ews toroidal coil sig Fuse f10 5a Fuse f12 5a Fuse f54 40a Gnd Hot at all times Hot in accy, run & start Ignition switch Instrument cluster control module K-bus sig Lock Power distribution (right side of dash) Red Run Sequential manual gearbox (smg) control module (left rear of engine compt) Start Starter Starter sig Starting/ charging system Term 30 Term 50 sig Term 50 sig lock Term r X11007 X11012 X1105 (left side of dash) X11175 X1659 X60004 X6510 X6512 X70013 Forced Entry Wiring Diagram (1 of 2) for BMW Z4 2004 List of elements for Forced Entry Wiring Diagram (1 of 2) for BMW Z4 2004: 29 Center lock button sig Driver's door contact sig Driver's door lock sig Driver's door unlock sig Dwa led sig Dwa siren alarm control sig Electrochromic interior rearview mirror Front passenger door contact sig Fuse f30 7.5a General module control unit (right side of dash) Hood contact switch Hot at all times Interior movement detector Interior protection signal Nca Power distribution (right side of dash) Rear lid release switch Remote control sig Siren & tilt alarm sensor Status of anti-theft alarm system sig Tilt alarm sensor sig Trunk lid contact switch Trunk lid unlock mtr sig Trunk lid/ tailgate lock X11004 X1106 (right kick panel) X13004 (right front luggage compt) X253 X254 Forced Entry Wiring Diagram (2 of 2) for BMW Z4 2004 List of elements for Forced Entry Wiring Diagram (2 of 2) for BMW Z4 2004: 11 Central locking drive, trunk lid/ tailgate Hazard warning/ central locking switch Hood contact switch (rear engine compt) Passenger's door system lock Rear lid release switch (interior) System lock driver's door X1105 (left kick panel) X1106 (right kick panel) X13004 (right front luggage compt) X173 (left side of dash) X490 (right kick panel)
BODY CONTROL MODULES Body Control Modules Wiring Diagram (1 of 2) for BMW Z4 2004 List of elements for Body Control Modules Wiring Diagram (1 of 2) for BMW Z4 2004: 51 Centerlock button Computer data lines system Conv hard top Conv top closed Data line zv remote Door locks system Driver pwr wndw sw Drvr dr anti-trap strip Drvr dr sw sig Drvr pwr wndw sw closed Frnt pass dr sw sig Frnt pass pwr wndw sw Fuse f10 5a Fuse f12 5a General module control module (right side of dash) Ground Hdlght washer pump rly Hot at all times Hot in accy, run and start Int light sw Interior lights system Interval time pot K-bus sig Lock drvr dr sig Pass dr anti-trap strip Pass wndw reg closed Power distribution (right side of dash) Power tops system Power windows system Sig int light Sound systems Term 30 Term r Trunk lid rel sw Trunk lid sw sig Trunk, tailgate, fuel doors system Unlck drvr dr sig Unlock trunk lid Wash sw sig Wiper rest pos Wiper rly spd 2 sig Wiper sig relay Wiper sw 1 sig Wiper sw 2 sig Wiper/washer system X1106 (right kick panel) X253 Zv unit central arrest Zv unit lck Zv unit lock drvr dr Zv unit unlck Body Control Modules Wiring Diagram (2 of 2) for BMW Z4 2004 List of elements for Body Control Modules Wiring Diagram (2 of 2) for BMW Z4 2004: 35 Anti-theft status Anti-theft system Central lck ground Central lck pwr Cut-off sig Cut-off signal Door locks system Drvr pwr wndw mtr Dwa led Dwa siren alarm Fr pass pwr wnd mtr Fr pass pwr wndw mtr Frnt lid sw Frnt wndw reg pwr Fuse f11 25a Fuse f26 Fuse f26 30a Fuse f46 30a General module control module (right side of dash) Hot at all times Int protection Interior lights system L htd washer nozzle Mirrors system Power distribution (right side of dash) Power windows system R htd washer nozzle Tilt alarm sens Transmissions system Unlck trunk lid Washer pump Wiper/washer system X254 X332 X490 (right kick panel)
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for BMW Z4 2004 List of elements for Computer Data Lines Wiring Diagram for BMW Z4 2004: 83 (left side of dash) Amplifier Btflt bus Can (+) Can (-) Cd changer Center console switch center Central information display Convertible top module Diag txd Digital motor electronics control unit (a6000) Driver's seat memory Dynamic stability control Electronic immobilizer control unit Electronic power steering Fuse f24 5a Fuse f9 7.5a General module control unit Heating & a/c control module Hot at all times Hot in run or start Instrument cluster K- bus K-bus Left b-pillar satellite Left front door satellite Light switch center Navigation system Nca Obd ii socket (left side of dash) Park distance control unit Power distribution (right side of dash) Rain sensor control unit Right b-pillar satellite Right front door satellite Rpm sig Safety & information module Sequential manual gearbox (smg) control module Steering angle sensor Telephone transceiver Transmission control unit Video module Voice control system Volute spring W/ smg W/o smg X10170 X10266 X10325 X10326 X10335 X10336 X10340 X10341 X10390 X11005 X11007 X1105 X11175 X12 X13037 X13084 X1313 X14133 X1465 X1658 X1659 X173 X18180 X18303 X1869 X18802 X18804 X253 X300 X60001 X60002 X60004 X60234 X610 X70004 X70013 X70014
COOLING FAN Cooling Fan Wiring Diagram for BMW Z4 2004 List of elements for Cooling Fan Wiring Diagram for BMW Z4 2004: 17 Coolant outlet temperature gnd Coolant outlet temperature sig Coolant tmp Coolant tmp sig Digital motor electronics control unit (left rear of engine compt) Electric fan Electric fan sig Engine coolant temperature sensor Fuse f61 60a Hot at all times Nca Power distribution (right side of dash) Remote temperature sensor X166 (right side of engine compt) X1704 X60003 X60004 Engine Compartment Cooling Fan Wiring Diagram for BMW Z4 2004 List of elements for Engine Compartment Cooling Fan Wiring Diagram for BMW Z4 2004: 8 Digital motor electronics control unit (left rear of engine compt) E-box fan Fuse f33 10a Hot w/ dme relay energized Nca Power distribution (right side of dash) X11007 X60004
CRUISE CONTROL Cruise Control Wiring Diagram for BMW Z4 2004 List of elements for Cruise Control Wiring Diagram for BMW Z4 2004: 42 (left rear of engine compt) x6454 Anti-theft system Brake sig Brakelight switch (left side of dash) Can (+) Can (-) Clutch sig Clutch switch (if equipped) (left side of dash) Computer data lines system Cruise control steering column switch Diag txd Digital motor electronics (dme) control unit (left rear of engine compt) E-box (left rear of engine compt) Electric throttle actuator Exterior lights system Fuse 30a Fuse 5a Ground Hot at all times Hot in acc, run or start Instrument cluster control module Ped pos 1 sig Ped pos 2 sig Pedal position sensor Power distribution (right side of dash) Return Sequential manual gearbox (smg) control module (w/ smg) (left rear of engine compt) Strg column sw Throttle act Tp sig Transmission control unit (w/o smg) (left rear of engine compt) W/ smg W/o smg X11007 X1105 (left side of dash) X60001 X60002 X60003 X60004 X70004 X70014 X8680
DEFOGGERS Defoggers Wiring Diagram, Convertible with CVM for BMW Z4 2004 List of elements for Defoggers Wiring Diagram, Convertible with CVM for BMW Z4 2004: 19 Convertible top rear window defroster Fuse f20 30a Fuse f25 5a Hardtop locator ii Heating & a/c system Hot at all times Hot in run or start Nca Power distribution (right side of dash) Rear window defroster relay X11001 X11002 X11008 X11208 X13004 (right front luggage compt) X240 X241 X490 (right kick panel) X610 Defoggers Wiring Diagram, Convertible with Hardtop for BMW Z4 2004 List of elements for Defoggers Wiring Diagram, Convertible with Hardtop for BMW Z4 2004: 20 Fuse f20 30a Fuse f25 5a Hardtop locator 1 Hardtop locator 2 Hardtop rear window defroster Heating & a/c system Hot at all times Hot in run or start Nca Power distribution (right side of dash) Rear window defroster relay X11002 X11008 X11205 X11208 X11209 X11211 X1265 X1266 X13004 (right front luggage compt) Defoggers Wiring Diagram, Convertible without CVM for BMW Z4 2004 List of elements for Defoggers Wiring Diagram, Convertible without CVM for BMW Z4 2004: 24 (right kick panel) x1106 Computer data lines system Convertible top lowered switch Convertible top rear window defroster Fuse f20 30a Fuse f25 5a General module control module (right side of dash) Hardtop locator ii Heating & a/c system Hot at all times Hot in run or start Nca Power distribution (right side of dash) Rear window defroster relay Red X11001 X11002 X11008 X11208 X13004 (right front luggage compt) X240 X241 X490 (right kick panel) X610
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for BMW Z4 2004 List of elements for Electronic Power Steering Wiring Diagram for BMW Z4 2004: 31 (right side of dash) x327 Can high Can low Computer data lines system Diaf txd Digital motor electronics control unit Electronic power steering Fuse f22 5a Fuse f64 100a Fuse f7 5a Ground Hot at all times Hot in run and start Ind lmp act Interior lights system Pos activation Power distribution (right side of dash) Red Sport button Steering torque sensor Strng torque sig Term 15 Term 30 X01188 X11005 X11007 X1106 (right kick panel) X1703 X60004 X60233 X60234
ENGINE PERFORMANCE
2.5L 2.5L, Engine Performance Wiring Diagram (1 of 3) for BMW Z4 2004 List of elements for 2.5L, Engine Performance Wiring Diagram (1 of 3) for BMW Z4 2004: 65 (2003) (2004) (left rear of engine compt) x6454 (top left side of engine) electric throttle actuator Camshaft position sensor 1 (inlet) (on front of engine) Camshaft position sensor 2 (outlet) (right front of engine) Camshft 1 sig Camshft 2 sig Characteristic map cooling thermostat (2003) (on cylinder head) Charging system Close sig Cool temp Cool temp sig Crankshaft position sensor (left side of engine) Crnkshft sig Cyl 1 Cyl 2 Cyl 3 Cyl 4 Cyl 5 Cyl 6 Diag txd Digital motor electronics (dme) control unit (left rear of engine compt) E-box (left rear of engine compt) Engine coolant temperature sensor (rear of engine) Evap valve Fuel inj 1 Fuel inj 2 Fuel inj 3 Fuel inj 4 Fuel inj 5 Fuel inj 6 Fuel inj relay Fuel injection valves Fuel injectors relay Fuse f5 30a Gen Ground Hot at all times Hot film mass air flow sensor (left side of engine compt) Iat sig Icis valve Knock sens Knock sensor (rear of engine) Maf sens Map cool Nca Oil level Oil level sensor (under oil pan) Oil press Oil pressure switch Oil temp Oil temperature sensor (front of engine, under intake) Open sig Red Return Term 30 Throttle act Tp sig Vanos inlet Vanos outlet X60001 X60003 X6454 (left rear of engine compt) X8680 2.5L, Engine Performance Wiring Diagram (2 of 3) for BMW Z4 2004 List of elements for 2.5L, Engine Performance Wiring Diagram (2 of 3) for BMW Z4 2004: 61 (right side of engine compt) B+ potential distributor Can h Can l Characteristic map cooling thermostat (2004) (on cylinder head) Digital motor electronics (dme) control unit (left rear of engine compt) Dme relay E-box (left rear of engine compt) Fuel pump (in fuel tank) Fuel pump relay Fuel tank vent valve Fuse f1 30a Fuse f19 20a Fuse f2 30a Fuse f3 20a Fuse f33 10a Fuse f4 30a Fuse f56 50a Fuse f9 7.5a Hot at all times Hot in run or start Idle speed control valve (left side of engine) Individual control intake system valve (left side of engine compartment) Nca O2s frt 1 O2s frt 1 htr O2s frt 1 sig O2s frt 2 O2s frt 2 htr O2s frt 2 sig O2s rear 1 O2s rear 1 htr O2s rear 2 O2s rear 2 htr Oxygen sensor 1 (behind catalytic converter) Oxygen sensor 1 (in front of catalytic converter) Oxygen sensor 2 (behind catalytic converter) Oxygen sensor 2 (in front of catalytic converter) Power distribution (right side of dash) Red Seco- ndary air pump Secon- dary air pump relay Sequential manual transmission (m/t) or transmission control module (a/t) (left rear of engine compt) Txd diag Vanos exhaust valve (right front of engine) Vanos inlet valve (left side of engine, under intake) W/ ms45.0 W/ ms45.1 X11001 X11002 X11003 X11005 X11007 X11008 X13004 (right front of luggage compt) X166 X490 (right kick panel) X60002 X64101 X64102 X8680 2.5L, Engine Performance Wiring Diagram (3 of 3) for BMW Z4 2004 List of elements for 2.5L, Engine Performance Wiring Diagram (3 of 3) for BMW Z4 2004: 63 (behind accel pedal) pedal position sensor (if equipped) (right rear wheelhouse) fuel tank leakage diagnostic module A/c Abs system Air pump relay Brake sig Brakelight switch (on bracket, above brake pedal) Can h Can l Clutch sig Clutch switch Computer data lines system Cool out temp Cruise control Digital motor electronics (dme) control unit (left rear of engine compt) Drv awy prot E-box fan Electric fan Electronic vehicle immobilizer Exterior lights system Fan Fuel pump rly Fuse f14 5a Fuse f25 5a Ground Heating/ air conditioning system module Hot in accy, run, or start Hot in run or start Ign coil 1 sig Ign coil 2 sig Ign coil 3 sig Ign coil 4 sig Ign coil 5 sig Ign coil 6 sig Ignition coils (top side of engine) Instrument cluster control module Interior lights system Obd socket (left footwell) Ped pos 1 sig Ped pos 2 sig Power distribution (right side of dash) Remote temperature sensor Return Rpm sig Rr speed sig Sport sw Sport switch Str whl ctrls Tank leakage Terminal 15 Txd diag sig X11007 X1105 (left side of dash) X1106 (right kick panel) X11175 X19527 X60004 X60005 X610 X6176 (top of engine) X6177 (top of engine) X6454 (left rear of engine compt)
3.0L 3.0L, Engine Performance Wiring Diagram (1 of 3) for BMW Z4 2004 List of elements for 3.0L, Engine Performance Wiring Diagram (1 of 3) for BMW Z4 2004: 65 (2003) (2004) (left rear of engine compt) x6454 (top left side of engine) electric throttle actuator Camshaft position sensor 1 (inlet) (on front of engine) Camshaft position sensor 2 (outlet) (right front of engine) Camshft 1 sig Camshft 2 sig Characteristic map cooling thermostat (2003) (on cylinder head) Charging system Close sig Cool temp Cool temp sig Crankshaft position sensor (left side of engine) Crnkshft sig Cyl 1 Cyl 2 Cyl 3 Cyl 4 Cyl 5 Cyl 6 Diag txd Digital motor electronics (dme) control unit (left rear of engine compt) E-box (left rear of engine compt) Engine coolant temperature sensor (rear of engine) Evap valve Fuel inj 1 Fuel inj 2 Fuel inj 3 Fuel inj 4 Fuel inj 5 Fuel inj 6 Fuel inj relay Fuel injection valves Fuel injectors relay Fuse f5 30a Gen Ground Hot at all times Hot film mass air flow sensor (left side of engine compt) Iat sig Icis valve Knock sens Knock sensor (rear of engine) Maf sens Map cool Nca Oil level Oil level sensor (under oil pan) Oil press Oil pressure switch Oil temp Oil temperature sensor (front of engine, under intake) Open sig Red Return Term 30 Throttle act Tp sig Vanos inlet Vanos outlet X60001 X60003 X6454 (left rear of engine compt) X8680 3.0L, Engine Performance Wiring Diagram (2 of 3) for BMW Z4 2004 List of elements for 3.0L, Engine Performance Wiring Diagram (2 of 3) for BMW Z4 2004: 61 (right side of engine compt) B+ potential distributor Can h Can l Characteristic map cooling thermostat (2004) (on cylinder head) Digital motor electronics (dme) control unit (left rear of engine compt) Dme relay E-box (left rear of engine compt) Fuel pump (in fuel tank) Fuel pump relay Fuel tank vent valve Fuse f1 30a Fuse f19 20a Fuse f2 30a Fuse f3 20a Fuse f33 10a Fuse f4 30a Fuse f56 50a Fuse f9 7.5a Hot at all times Hot in run or start Idle speed control valve (left side of engine) Individual control intake system valve (left side of engine compartment) Nca O2s frt 1 O2s frt 1 htr O2s frt 1 sig O2s frt 2 O2s frt 2 htr O2s frt 2 sig O2s rear 1 O2s rear 1 htr O2s rear 2 O2s rear 2 htr Oxygen sensor 1 (behind catalytic converter) Oxygen sensor 1 (in front of catalytic converter) Oxygen sensor 2 (behind catalytic converter) Oxygen sensor 2 (in front of catalytic converter) Power distribution (right side of dash) Red Seco- ndary air pump Secon- dary air pump relay Sequential manual transmission (m/t) or transmission control module (a/t) (left rear of engine compt) Txd diag Vanos exhaust valve (right front of engine) Vanos inlet valve (left side of engine, under intake) W/ ms45.0 W/ ms45.1 X11001 X11002 X11003 X11005 X11007 X11008 X13004 (right front of luggage compt) X166 X490 (right kick panel) X60002 X64101 X64102 X8680 3.0L, Engine Performance Wiring Diagram (3 of 3) for BMW Z4 2004 List of elements for 3.0L, Engine Performance Wiring Diagram (3 of 3) for BMW Z4 2004: 63 (behind accel pedal) pedal position sensor (if equipped) (right rear wheelhouse) fuel tank leakage diagnostic module A/c Abs system Air pump relay Brake sig Brakelight switch (on bracket, above brake pedal) Can h Can l Clutch sig Clutch switch Computer data lines system Cool out temp Cruise control Digital motor electronics (dme) control unit (left rear of engine compt) Drv awy prot E-box fan Electric fan Electronic vehicle immobilizer Exterior lights system Fan Fuel pump rly Fuse f14 5a Fuse f25 5a Ground Heating/ air conditioning system module Hot in accy, run, or start Hot in run or start Ign coil 1 sig Ign coil 2 sig Ign coil 3 sig Ign coil 4 sig Ign coil 5 sig Ign coil 6 sig Ignition coils (top side of engine) Instrument cluster control module Interior lights system Obd socket (left footwell) Ped pos 1 sig Ped pos 2 sig Power distribution (right side of dash) Remote temperature sensor Return Rpm sig Rr speed sig Sport sw Sport switch Str whl ctrls Tank leakage Terminal 15 Txd diag sig X11007 X1105 (left side of dash) X1106 (right kick panel) X11175 X19527 X60004 X60005 X610 X6176 (top of engine) X6177 (top of engine) X6454 (left rear of engine compt)
EXTERIOR LIGHTS Backup Lamps Wiring Diagram for BMW Z4 2004 List of elements for Backup Lamps Wiring Diagram for BMW Z4 2004: 29 A/t E-box (left rear of engine compt) Electrochromic interior rear view mirror Fuse f3 20a Fuse f6 10a Gong (2003- 2004) Hot at all times Hot in run or start Instrument cluster control module Left back up light Left tail light M/t Navigation system Power distribution (right side of dash) Reversing light relay (left rear of engine compt) Reversing light switch (right side of transmission) Right back up light Right tail light Sequential manual transmission (left rear of engine compt) Transmission control unit (left rear of engine compt) X11002 X11175 X13004 (right front luggage compt) X1312 X1426 X18246 X70004 X70014 X8680 Exterior Lamps Wiring Diagram (1 of 2) for BMW Z4 2004 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for BMW Z4 2004: 68 (w/ xenon headlights) (w/o xenon headlights) +5v load sens Brake light Cntr brk lght Computer data lines system Fog lght rly act sig Front load sens Fuse f14 5a Fuse f23 5a Fuse f59 50a Fuse f60 50a Ground Haz warn sw Headlights system Hi bm/flash sw Hot at all times Hot in acc run and start Hot in run and start Interior lights system K-bus sig Left front turn signal repeater Left head light Lf prk lght Lf trn sig lmp Lic plt lght Light switch cluster Light switch controls Lmp in haz warn sw Lt aux trn sig Lt brk lght sig Lt hdlt vert aim mtr Lt hi bm sig Lt lo beam sig Lt trn sig Lt turn lght Lt xenon hl act Outer lt tail lght Outer rt tail lght Power distribution (right side of dash) Rear fog light Rear load sens Rf prk lght Rf trn sig lmp Ride height Right front turn signal repeater Right head light Rr trn sig lmp Rt aux trn sig Rt brk lght sig Rt hdlt vert aim mtr Rt hi beam sig Rt lo bm sig Rt turn light Rt xenon hl act Sig locator lghting Term 15 Term 30 Term r Trn sig sw Turn signal lamp X11007 X11010 X11011 X1105 (left side of dash) X12 X165 (left side of engine compt) X166 (right side of engine compt) Exterior Lamps Wiring Diagram (2 of 2) for BMW Z4 2004 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for BMW Z4 2004: 18 Auxiliary brake light Back-up lamps circuit Brake light switch (near steering column) Computer data lines system Direction indicator/ high beam switch Hazard warning/ central locking switch Instrument cluster control module Interior lights system Left license plate light Left rear side marker light Left taillight Right license plate light Right rear side marker light Right taillight X1105 (left side of dash) X1106 (right kick panel) X11175 X13004 (right front luggage compt)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for BMW Z4 2004 List of elements for Ground Distribution Wiring Diagram (1 of 3) for BMW Z4 2004: 70 2005- only Brake fluid level switch Brake light switch Center switch console center Clutch switch Coolant level switch Direction indicator/ high beam headlight switch Dme control module Driver's door handle lighting Driver's door module Driver's door system lock Driver's seat backrest heating Driver's seat cushion heating Driver's seat memory Driver's side footwell light Driver's window motor Electric fan Electronic vehicle immobilizer Front cigar lighter Gear indicator lighting Glove compartment light Gong Headlight washer pump Hood contact switch Horn switch Instrument cluster control module Left fog light Left front direction indicator light repeater Left headlight Left heated washer nozzle Left horn Light switch cluster Nca Obd ii socket Only Rear lid release switch Right fog light Right front direction indicator light repeater Right headlight Right heated washer nozzle Right horn Right switch cluster Secondary air pump Selector lever Steering angle sensor Steering column switch Volute spring Windshield washer pump Wiper motor Wiper switch X01003 X01004 X10170 X1105 (left side of dash) X11175 X12 X130 X135 X1465 X165 (left side of engine compt) X1659 X166 (right side of engine compt) X173 (left side of dash) X218 X32 X521 X60004 X747 X849 X887 Ground Distribution Wiring Diagram (2 of 3) for BMW Z4 2004 List of elements for Ground Distribution Wiring Diagram (2 of 3) for BMW Z4 2004: 69 (2003) (2003) anti-theft alarm system horn (2003- (2004- 2006) siren & tilt alarm sensor (2005) (2006) (hard top) rear window defroster (soft top) rear window defroster 2005) Airbag indicator light Amplifier Auxiliary brake light Cd changer Central information display Compensator Convertible soft top lowered switch Convertible top compartment floor switch Convertible top module Eject box Electric fuel pump Electrochromic interior rear view mirror Electronic interior rear view mirror Electronically controlled fuel pump Emergency call button Gear indicator lighting General module control module Hardtop locating point Hazard warning/ central locking switch Interior movement detector Left license plate light Left rear side marker light Left taillight Navigation system Nca Oddments compartment lighting (bottom) Oddments compartment lighting (top) Park distance control Radio Rain/ headlight sensor Right license plate light Right rear brake pad wear sensor Right rear side marker light Right taillight Safety & information module Satellite (left "b" pillar) Satellite (left front door) Satellite (right "b" pillar) Satellite (right front door) Seat occupancy recognition Sport button Steptronic switch Telephone transceiver Trunk lid central locking drive Trunk lid/ tailgate lock switch Video module Voice control system X10325 X1106 (right kick panel) X13004 (right front luggage compt) X13016 (left front luggage compt) X13037 X1313 X18126 X18802 X217 X253 X300 X3313 X516 Ground Distribution Wiring Diagram (3 of 3) for BMW Z4 2004 List of elements for Ground Distribution Wiring Diagram (3 of 3) for BMW Z4 2004: 59 (2003- only) (2005 only) (2006 only) (w/ smg) shift lock selector lever lock Blower output stage Brakes solenoid valve Clutch solenoid valve Convertible top relay 1 Convertible top relay 2 Dme control module Fold-in outside mirror Front interior/ reading lamp Fuel injectors relay Gear shift lever lighting Gear solenoid valve 1 Gear solenoid valve 2 General module control module Heating/ air conditioning system Hydraulic pump relay Ignition coil (cyl 1) Ignition coil (cyl 2) Ignition coil (cyl 3) Ignition coil (cyl 4) Ignition coil (cyl 5) Ignition coil (cyl 6) Nca Oil level sensor Passenger's door handle lighting Passenger's door power window switch Passenger's door system lock Passenger's seat adjustment switch Passenger's seat backrest heating Passenger's seat cushion heating Passenger's side footwell light Passenger's side outside mirror Passenger's window motor Power distribution Rpm sensor shield Sequential manual transmission Transmission control X11001 X219 X332 X490 (right kick panel) X60001 X60005 X610 X6176 (top of engine) X6177 (top of engine) X6454 (a/t) (left rear of engine compt) X6454 (m/t) (left rear of engine compt) X6458 X6459 X6460 X6461 X70001 X70011 X70014 X891
HEADLIGHTS Headlights Wiring Diagram (1 of 2) for BMW Z4 2004 List of elements for Headlights Wiring Diagram (1 of 2) for BMW Z4 2004: 68 (left side of dash) (right kick panel) Brake light Cntr brk lght Computer data lines system Exterior lights system Fog light rly Frnt load sens +5v Frnt load sens gnd Frnt load sens sig Fuse f14 5a Fuse f23 5a Fuse f28 5a Fuse f59 50a Fuse f60 50a Ground Haz warn sw Hi bm/flash sw Hot at all times Hot in acc run and start Hot in run and start Interior lights system K-bus sig Left high beam height control stepper motor Lf prk lght Lf trn sig ind Lic plt lght Light switch cluster Lmp in haz warn sw Load sensor Lt aux trn sig Lt brk lght sig Lt hdlght ht ctrl mtr Lt hi beam sig Lt lo beam sig Lt taillight Lt trn sig Lt xenon hl act Outer lt tail light Power distribution (right side of dash) Rain/headlight sensor Rear load sens +5v Rear load sens gnd Rear load sens sig Rf prk lght Rf trn sig ind Ride height sensor Right high beam height control stepper motor Rr trn sig lmp Rt aux trn sig Rt brk lght sig Rt hdlght ht ctrl mtr Rt hi beam sig Rt lo bm sig Rt taillight Rt xenon hl act Sig locator lghting Term 15 Term 30 Term r Trn sig sw Wiper/washer system X11007 X11010 X11011 X1105 X1105 (left side of dash) X1106 Headlights Wiring Diagram (2 of 2) for BMW Z4 2004 List of elements for Headlights Wiring Diagram (2 of 2) for BMW Z4 2004: 23 (right kick panel) x490 Bi-xenon shutter Direction indicator Direction indicator/ high beam switch Fog light relay Fuse f36 15a High beam Hot at all times Instrument cluster control module Left fog light Left headlight Low beam On-board computer button Power distribution (right side of dash) Right fog light Right headlight X11001 X11002 X11008 X1105 (left side of dash) X11175 X165 (left side of engine compt) X166 (right side of engine compt)
HORN Horn Wiring Diagram for BMW Z4 2004 List of elements for Horn Wiring Diagram for BMW Z4 2004: 19 (left side of dash) x1105 Fuse f14 5a Fuse f37 15a Horn relay Horn switch Hot at all times Hot in acc, run or start Left horn Nca Power distribution (right side of dash) Right horn Volute spring X01004 X01008 X01009 X10170 X11008 X165 (left side of engine compt) X166 (right side of engine compt)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram for BMW Z4 2004 List of elements for Instrument Cluster Wiring Diagram for BMW Z4 2004: 63 (dsc) signal warn lamp (left side of dash) x173 A/t Brake fluid level sig Brake fluid level switch (brake fluid reservoir) Brake wear sensor sig Can bus high Can bus low Chime module (gong) Computer data lines system Coolant level switch Coolant level too low sig Dynamic stability control (left rear engine compt) Electric fuel pump (under rear of vehicle) Electrochromic interior rear- view mirror Exterior lights system Fuse f12 5a Fuse f23 5a Fuse f24 5a Gnd High Hot at all times Hot in acc, run & start Hot in run & start Instrument cluster control module K-bus sig Left front brake pad sensor Left fuel tank sensor Left fuel tank sensor sig gnd Left rear sig proc wheel speed Left rear sig processed wheel speed Left taillight M/t M/t, rev, shift to + Navigation system (rear center console) Nca Outside temp sens Outside temperature sensor (under left front of vehicle) Parking brake sig Parking brake switch Power distribution (right side of dash) Reversing light relay Reversing light switch Right fuel tank sensor Right fuel tank sensor sig gnd Right rear brake pad sensor Right taillight Signal warn lamp Starter sig voltage Starting/charging, anti-theft systems Steering column switch sig Term 15 Term 30 Term r Txd diagnostic sig X11005 X11007 X1105 (left side of dash) X11175 X13004 (right front luggage compt) X1312 X1426 X18303
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for BMW Z4 2004 List of elements for Courtesy Lamps Wiring Diagram for BMW Z4 2004: 39 Bottom oddments compartment light Computer data lines system Ctsy lights Driver's door system lock Driver's side footwell light Drvr door ajar Fuse f10 5a Fuse f11 25a Fuse f12 5a Fuse f26 30a Fuse f46 30a Gear indicator lighting (a/t) General module control module (right side of dash) Ground Hot at all times Hot in acc run and start Instrument illumination circuit Int light Int light sw Interior/ reading lamp K-bus diag Luggage compartment light Oddments compartment lighting switch Pass door ajar Passenger's door system lock Passenger's side footwell light Power distribution (right side of dash) Term 30 Term r Top oddments compartment light Trunk lid central locking drive X11003 X1106 (right kick panel) X13004 (right front luggage compt) X1600 X173 (left side of dash) X253 X332 X490 (right kick panel) Instrument Illumination Wiring Diagram for BMW Z4 2004 List of elements for Instrument Illumination Wiring Diagram for BMW Z4 2004: 44 Center console switch center Computer data lines system Driver's door handle lighting Driver's door module Eject box Emergency call button Front cigar lighter Fuse f14 5a Fuse f23 5a Fuse f59 50a Fuse f60 50a Gear indicator lighting (a/t) Gear indicator lighting (smg m/t) Ground Hazard warning/ central locking switch Heating/ air conditioning system Hot at all times Hot in acc run and start Hot in run and start Inst illum Interior/ reading lamp K-bus sig Light switch cluster Light switch controls Passenger's door handle lighting Passenger's door power window switch Power distribution (right side of dash) Radio Rear lid release switch Sport switch (smg m/t) Telephone transceiver Term 15 Term 30 Term r X11007 X11010 X11011 X1105 (left side of dash) X1106 (right kick panel) X12 X13016 (left front luggage compt) X1600 X173 (left side of dash) X490 (right kick panel)
MEMORY SYSTEMS Memory Systems Wiring Diagram for BMW Z4 2004 List of elements for Memory Systems Wiring Diagram for BMW Z4 2004: 33 (left side of dash) Computer data lines system Data Driver's seat angle adjustment drive Driver's seat backrest angle adjustment drive Driver's seat forward/ backward adjustment drive Driver's seat height adjustment drive Driver's seat memory control unit Fuse f29 30a General module control unit (right side of dash) Hot at all times Instrument cluster control module Power distribution (right side of dash) Seat backrest Seat fwd/back Seat height Seat tilt Term 30 Term 31 X11004 X11175 X1465 X1467 X1468 X1469 X1533 X173 X253 X650 X734 X735 X736 X737
NAVIGATION Navigation Wiring Diagram, with MIR for BMW Z4 2004 List of elements for Navigation Wiring Diagram, with MIR for BMW Z4 2004: 36 A/t Anti-lock brakes system Computer data lines system Dynamic stability control (left rear of engine compt) Exterior lights system Fuse f47 7.5a Fuse f49 30a Gps antenna Ground Hot at all times Hot in run, accy or start Instrument cluster K-bus sig M/t Navigation computer (left side of luggage compt) Nca Positive activation Power distribution (right side of dash) Radio Reverse sig Reversing light relay (left rear of engine compt) Reversing light switch (right side of transmission) Sig nav-bus Speed sig Terminal 30 Terminal r X10458 X11175 X13016 (left side of luggage compt) X1312 X1313 X13366 X13598 X18303 X6325 X8511 Navigation Wiring Diagram, with VID for BMW Z4 2004 List of elements for Navigation Wiring Diagram, with VID for BMW Z4 2004: 51 A/t Antenna diversity Anti-lock brakes system Central information display (cid) Computer data lines system Dynamic stability control (left rear of engine compt) Exterior lights system Fm amplifier Fm antenna Fuse f47 7.5a Fuse f49 30a Gps antenna Ground Hot at all times Hot in run, accy or start Instrument cluster K-bus sig M/t Navigation computer (left side of luggage compt) Navigation sig Nca Positive activation Power distribution (right side of dash) Radio Red Reverse sig Reversing light relay (left rear of engine compt) Reversing light switch (right side of transmission) Speed sig Term 30 Tv bumper antenna, left Tv bumper antenna, right Video module X01074 X01075 X10458 X11175 X13016 (left side of luggage compt) X13049 X1312 X1313 X13348 X13349 X13598 X1366 X13824 X18303 X18804 X18806 X6325 X8511 Navigation Wiring Diagram, without VID for BMW Z4 2004 List of elements for Navigation Wiring Diagram, without VID for BMW Z4 2004: 38 A/t Anti-lock brakes system Central information display (cid) Computer data lines system Dynamic stability control (left rear of engine compt) Exterior lights system Fuse f47 7.5a Fuse f49 30a Gps antenna Ground Hot at all times Hot in run, accy or start Instrument cluster K-bus sig M/t Navigation computer (left side of luggage compt) Navigation sig Nca Positive activation Power distribution (right side of dash) Radio Reverse sig Reversing light relay (left rear of engine compt) Reversing light switch (right side of transmission) Shield Speed sig Terminal 30 Terminal r X10458 X11175 X13016 (left side of luggage compt) X1312 X1313 X13366 X13598 X18303 X6325 X8511
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 6) for BMW Z4 2004 List of elements for Power Distribution Wiring Diagram (1 of 6) for BMW Z4 2004: 56 (spare fuses not used) Alternator Amplifier (w/ top hifi sound system) Battery Blower output stage Cigar lighter Convertible top relay 1 Convertible top relay 2 Dsc steering angle sensor Electric fan From a fuse f58 (diagram 1 of 6) Fuse box (rear luggage compt) Fuse f100 250a Fuse f102 40a Fuse f24 5a Fuse f3 30a Fuse f4 30a Fuse f5 15a Fuse f54 40a Fuse f55 40a Fuse f56 50a Fuse f57 40a Fuse f58 50a Fuse f59 50a Fuse f60 50a Fuse f61 60a Fuse f63 80a Gear indicator light Instrument cluster control module Interior lights system Jump start terminal point Light switch cluster Obd ii socket Power distribution (right side of dash) Red Secondary air pump relay Starter To b+ potential distributor (diagram 2 of 6) To fuse f40 (diagram 3 of 6) To fuse f59 (diagram 1 of 6) To ignition switch (diagram 5 of 6) X10209 X10266 X10272 X11002 X11004 X11005 X11010 X11011 X11012 X12 X13020 X13029 X1704 X173 (left side of dash) X6404 Power Distribution Wiring Diagram (2 of 6) for BMW Z4 2004 List of elements for Power Distribution Wiring Diagram (2 of 6) for BMW Z4 2004: 38 (left rear of engine compt) B+ potential distributor Camshaft position sensor 1 Camshaft position sensor 2 Characteristic map cooling thermostat Crankshaft position sensor Digital motor electronics control unit Dme relay E-box E-box fan From fuse f63 (diagram 1 of 6) Fuel injectors relay Fuel pump relay Fuel tank leakage diagnostic module Fuse f01 30a Fuse f02 30a Fuse f03 20a Fuse f04 30a Fuse f05 30a Fuse f33 10a Hot film mass air flow sensor Ignition coils Nca Oxygen sensor Power distribution (right side of dash) Red Secondary air pump relay To idle speed control valve (diagram 3 of 6) Transmission control module X11001 X11007 X18326 X60001 X60002 X64101 X64102 X70001 X8680 Power Distribution Wiring Diagram (3 of 6) for BMW Z4 2004 List of elements for Power Distribution Wiring Diagram (3 of 6) for BMW Z4 2004: 53 Cd changer Characteristic map cooling thermostat (2004) Digital motor electronics control unit Dynamic stability control Electronic immoblizer control unit Fog light relay From d fuse f5 (diagram 1 of 6) From fuse f02 (diagram 2 of 6) From g fuse f19 (diagram 3 of 6) Fuel pump relay Fuel tank vent valve Fuse f10 5a Fuse f11 25a Fuse f19 20a Fuse f20 20a Fuse f26 30a Fuse f36 15a Fuse f37 15a Fuse f38 30a Fuse f39 7.5a Fuse f40 30a Fuse f42 30a Fuse f43 30a Fuse f45 10a Fuse f46 30a Fuse f48 7.5a General module control unit Head- light washer pump relay Heating/ a/c system Horn relay Idle speed control valve Individual control intake system valve Power distribution (right side of dash) Rear window defroster relay Safety & information module To fuse f30 (diagram 4 of 6) To fuse f39 (diagram 3 of 6) Vanos exhaust valve Vanos inlet valve Wiper relay X10325 X10458 X11001 X11003 X11005 X11007 X1569 X18180 X18303 X253 X332 X60001 X610 Power Distribution Wiring Diagram (4 of 6) for BMW Z4 2004 List of elements for Power Distribution Wiring Diagram (4 of 6) for BMW Z4 2004: 58 (2003 w/ smg) (2003) (2004 w/ smg) Amplifier Anti-theft alarm system horn Center console switch center Central information display (cid) Compensator Convertible top module Driver's seat memory Eject box Electro- chromic interior rear-view mirror Electronic immoblizer control unit From electronic vehicle immoblizer (diagram 5 of 6) From h fuse f45 (diagram 3 of 6) From i fuse f27 (diagram 4 of 6) Fuse f15 30a Fuse f16 25a Fuse f27 5a Fuse f29 30a Fuse f30 7.5a Fuse f31 20a Fuse f32 7.5a Fuse f49 10a Fuse f50 30a Interior movement detector Navigation computer Nca Outside mirror fold-in Passenger's seat adjustment switch Power distribution (right side of dash) Radio Sequential manual transmission Siren & tilt alarm (2004) Telephone transceiver Tilt monitoring (2003) To fuse f49 (diagram 4 of 6) Video module Voice control system W/ smg X10266 X10313 X10390 X10458 X11004 X11008 X1313 X13756 X14133 X16025 X1659 X1765 X18034 X18126 X18802 x18802 X18804 X4545 X70013 Power Distribution Wiring Diagram (5 of 6) for BMW Z4 2004 List of elements for Power Distribution Wiring Diagram (5 of 6) for BMW Z4 2004: 63 (spare fuses not used) A/t Acc Digital motor electronics control unit Driver's door module Dynamic stability control Electrochromic interior rear view mirror Electronic power steering Electronic vehicle immoblizer From fuse f54 (diagram 1 of 6) From fuse f58 (diagram 1 of 6) From l fuse f22 (diagram 5 of 6) Fuse f2 10a Fuse f21 5a Fuse f22 5a Fuse f23 5a Fuse f25 5a Fuse f44 5a Fuse f6 10a Fuse f7 5a Fuse f8 5a Fuse f9 7.5a Heated washer nozzles thermal switch Heating/ a/c system Ignition switch Instrument cluster control module Light switch cluster M/t Nca Obd ii socket Off Oil level sensor Park distance control unit Passenger's side outside mirror Power distribution (right side of dash) Rear window defroster relay Reversing light relay Reversing light switch Run Sequential manual transmission (smg) Sport button Start Steering angle sensor dsc To fuse f12 (diagram 6 of 6) To fuse f25 (diagram 5 of 6) To fuse f32 (diagram 4 of 6) Transmission control unit (a/t) W/smg X11002 X11005 X11007 X11008 X11012 X11175 X1659 X18303 X300 X60004 X60234 X610 X70001 X70011 X887 Power Distribution Wiring Diagram (6 of 6) for BMW Z4 2004 List of elements for Power Distribution Wiring Diagram (6 of 6) for BMW Z4 2004: 43 Brake light switch Center console switch center Clutch switch Cruise control steering column switch Eject box Electronic vehicle immoblizer From ignition switch (diagram 5 of 6) From m fuse f14 (diagram 6 of 6) Fuse f12 5a Fuse f13 5a Fuse f14 5a Fuse f28 5a Fuse f47 7.5a General module control unit Horn relay Instrument cluster control module Light switch cluster Navigation system Nca Power distribution (right side of dash) Radio Rain/ headlight sensor Safety & information module Seat occupancy recognition Telephone transceiver To fuse f28 (diagram 6 of 6) Voice control system Volute spring X10170 X10325 X10390 X10458 X11003 X11007 X11011 X11175 X12 X1312 X14133 X1659 X18126 X253 X4545
POWER DOOR LOCKS Power Door Locks Wiring Diagram for BMW Z4 2004 List of elements for Power Door Locks Wiring Diagram for BMW Z4 2004: 26 Driver's door system lock Electronic interior rear-view mirror Fuse f11 25a Fuse f26 30a Fuse f30 7.5a General module control unit (right side of dash) Hazard warning/ central locking switch Hot at all times Interior lights system Nca Oddments compartment central locking drive Passenger's door system lock Power distribution (right side of dash) Rear lid release switch (interior) Trunk lid/ tailgate lock switch Trunk, tailgate, fuel doors system X11003 X11004 X1105 (left kick panel) X1106 (right kick panel) X13004 (right front luggage compt) X173 (left side of dash) X253 X254 X332 X490 (right kick panel)
POWER MIRRORS Electrochromic Mirror Wiring Diagram for BMW Z4 2004 List of elements for Electrochromic Mirror Wiring Diagram for BMW Z4 2004: 29 Driver's door module Driver's side outside mirror Elechrmc act Elechrmc act elechrmc act Electro- chromic activation Electrochromic interior rear- view mirror Exterior lights system (backup lamps) Fuse f25 5a Fuse f30 7.5a General module control unit (right side of dash) Gnd Hot at all times Hot in run or start Nca Passenger's side outside mirror Power distribution (right side of dash) Reverse sig Security Term 15 X11004 X11008 X1106 (right kick panel) X159 X160 X18246 X253 X254 X887 Zv remote Fold-back Mirrors Wiring Diagram for BMW Z4 2004 List of elements for Fold-back Mirrors Wiring Diagram for BMW Z4 2004: 23 (right kick panel) x490 Anti-lock brakes system D motor Driver's door module Driver's side outside mirror Fold-in motor Fuse f27 5a Hot at all times Mirror fold-in switch Nca Outside mirror fold-in P motor Passenger's side outside mirror Power distribution (right side of dash) Speed sig Switch Term 30 Term 31 X10313 X11004 X159 X173 (left side of dash) X887 Power Mirrors Wiring Diagram for BMW Z4 2004 List of elements for Power Mirrors Wiring Diagram for BMW Z4 2004: 18 Driver's door module Driver's side outside mirror Fuse f21 5a Fuse f8 5a Heating Horiz Hot in run or start Interior lights system Nca Passenger's side outside mirror Power distribution (right side of dash) Vert X11005 X159 X160 X173 (left side of dash) X490 (right kick panel) X887
POWER SEATS Heated Seats Wiring Diagram for BMW Z4 2004 List of elements for Heated Seats Wiring Diagram for BMW Z4 2004: 18 Center console switch center Computer data lines system Driver's backrest heater Driver's seat heater Fuse f12 5a Fuse f16 25a Hot at all times Hot in start, run or acc Passenger's backrest heater Passenger's seat heater Power distribution (right side of dash) Red X11004 X11007 X173 (left side of dash) X1869 X490 (right kick panel) X521 Lumbar Wiring Diagram for BMW Z4 2004 List of elements for Lumbar Wiring Diagram for BMW Z4 2004: 16 Driver's lumbar support switch Driver's lumbar support valve block Driver's seat lumbar support motor Fuse f65 30a Fuse f70 30a Hot at all times Lumbar support valve block Nca Passenger's lumbar support switch Passenger's seat lumbar support motor Power distribution (right side of dash) X10015 X173 (left side of dash) X490 (right kick panel) X652 X659 Passenger Power Seat Wiring Diagram for BMW Z4 2004 List of elements for Passenger Power Seat Wiring Diagram for BMW Z4 2004: 18 Angle Back Backrest Front Fuse f15 30a Fwd/bwd Height Hot at all times Nca Passenger's backrest adjustment motor Passenger's forward/ backward adjustment motor Passenger's height adjustment motor Passenger's seat adjustment switch Passenger's seat angle adjustment motor Power distribution (right side of dash) X11004 X490 (right kick panel) X604
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for BMW Z4 2004 List of elements for Power Top/Sunroof Wiring Diagram for BMW Z4 2004: 42 (right front luggage compt) Center console switch center Computer data lines system Conv top close sig Conv top open sig Convertible soft top switch closed Convertible top compartment floor switch Convertible top drive Convertible top lowered switch Convertible top module (left rear passenger compt) Convertible top relay 1 (right side of dash) Convertible top relay 2 (right side of dash) Fuse f31 20a Fuse f55 40a Ground Hardtop locating point 1 Hot at all times Instrument cluster control module K-bus Lock sig Locking cowl panel drive Nca Power distribution (right side of dash) Red Scuttle latch 1 sig Scuttle latch 2 sig Scuttle locked switch Scuttle released switch Sensor sig Signal warning lamp Term 30 X01189 X01190 X11004 X11012 X11175 X13004 X13004 (right front luggage compt) X13037 X173 (left side of dash) X200 X490 (right kick panel)
POWER WINDOWS Power Windows Wiring Diagram for BMW Z4 2004 List of elements for Power Windows Wiring Diagram for BMW Z4 2004: 25 (right kick panel) x490 Driver pwr wndw sw Driver's door module Driver's window motor Drvr pwr wndw mtr Drvr pwr wndw sw closed Fr pass pwr wnd mtr Fr pass pwr wndw mtr Frnt pass pwr wndw sw Fuse f46 25a General module control unit (right side of dash) Gnd Hot at all times Interior lights system Nca Pass wndw reg closed Passenger's door power window switch Passenger's window motor Power distribution (right side of dash) Pwr front window reg X11003 X173 (left side of dash) X253 X332 X490 (right kick panel)
RADIO Radio Wiring Diagram, with Base Radio for BMW Z4 2004 List of elements for Radio Wiring Diagram, with Base Radio for BMW Z4 2004: 81 (left front luggage compt) (left front luggage compt) x13016 (w/ radio navi) Antenna Antenna diversity Cd af+ l Cd af+ r Cd af- Cd changer Computer data lines system Fm amplifier Fm antenna Fuse f47 7.5a Fuse f48 7.5a Fuse f50 30a Ground Hot at all times Hot in run, acc or start Interior lights system K-bus Left front tweeter speaker Left front woofer speaker Left rear mid-range speaker Left tv antenna Lf + Lf - Light Lr + Lr - Mute Navi + Navi - Navigation system Nca Power distribution (right side of dash) Radio control unit Radio navi Rf + Rf - Right front tweeter speaker Right front woofer speaker Right rear mid-range speaker Right tv antenna Rod antenna Rr + Rr - Tele af+ Tele on Telephone provision Term 30 Term 50 Term r Video module W/ antenna diversity W/ video module W/o antenna diversity W/o video module X01074 X01075 X10458 X13016 X13049 X1312 X1313 X13321 X13338 X13342 X13344 X13346 X13348 X13349 X13365 X13598 X13824 X18126 X18180 X18729 X18804 X18805 X400 X424 Radio Wiring Diagram, with HIFI Radio (1 of 2) for BMW Z4 2004 List of elements for Radio Wiring Diagram, with HIFI Radio (1 of 2) for BMW Z4 2004: 75 (left front luggage compt) (left front luggage compt) x13016 (w/ radio navi) Antenna Antenna diversity Cd af+ l Cd af+ r Cd af- Cd changer Computer data lines system Fm amplifier Fm antenna Fuse f47 7.5a Fuse f48 7.5a Fuse f50 30a Ground Hot at all times Hot in run, acc or start Interior lights system K-bus Left tv antenna Lf + Lf - Light Lr + Lr - Mute Navi + Navi - Navigation system Nca Power distribution (right side of dash) Radio control unit Radio navi Rf + Rf - Right tv antenna Rod antenna Rr + Rr - Tele af+ Tele on Telephone provision Term 30 Term 50 Term r Video module W/ antenna diversity W/ video module W/o antenna diversity W/o video module X01074 X01075 X10458 X13016 X13049 X1312 X1313 X13321 X13338 X13342 X13344 X13346 X13348 X13349 X13365 X13598 X13824 X18126 X18180 X18729 X18804 X18805 X400 X424 Radio Wiring Diagram, with HIFI Radio (2 of 2) for BMW Z4 2004 List of elements for Radio Wiring Diagram, with HIFI Radio (2 of 2) for BMW Z4 2004: 43 Ant Hifi amplifier (on right side of luggage compt) K-bus L sub+ L sub- Left front mid-range speaker Left front tweeter speaker Left front woofer speaker Left rear mid-range speaker Left subwoofer Lf af+ Lf af- Lf mr+ Lf mr- Lft+ Lft- Lfw+ Lfw- Lr af+ Lr af- Lr mr+ Lr mr- R sub+ R sub- Rf af+ Rf af- Rf mr+ Rf mr- Rft+ Rft- Rfw+ Rfw- Right front mid-range speaker Right front tweeter speaker Right front woofer speaker Right rear mid-range speaker Right subwoofer Rr af+ Rr af- Rr mr+ Rr mr- X10266 X13016 (left side of luggage compt) Radio Wiring Diagram, with Top HIFI Radio (1 of 2) for BMW Z4 2004 List of elements for Radio Wiring Diagram, with Top HIFI Radio (1 of 2) for BMW Z4 2004: 71 (left front luggage compt) (left front luggage compt) x13016 (w/ radio navi) Antenna Antenna diversity Cd af+ l Cd af+ r Cd af- Cd changer Computer data lines system Fm amplifier Fm antenna Fuse f47 7.5a Fuse f48 7.5a Fuse f50 30a Ground Hot at all times Hot in run, acc or start Interior lights system K-bus L + L - Left tv antenna Light Mute Navi + Navi - Navigation system Nca Power distribution (right side of dash) R + R - Radio control unit Radio navi Right tv antenna Rod antenna Tele af+ Tele on Telephone provision Term 30 Term 50 Term r Video module W/ antenna diversity W/ video module W/o antenna diversity W/o video module X01074 X01075 X10458 X13016 X13049 X1312 X1313 X13321 X13338 X13342 X13344 X13346 X13348 X13349 X13365 X13598 X13824 X18126 X18180 X18729 X18804 X18805 X400 X424 Radio Wiring Diagram, with Top HIFI Radio (2 of 2) for BMW Z4 2004 List of elements for Radio Wiring Diagram, with Top HIFI Radio (2 of 2) for BMW Z4 2004: 39 Ant Hifi amplifier (on right side of luggage compt) K-bus L sub+ L sub- Left carver subwoofer Left front mid-range speaker Left front tweeter speaker Left front woofer speaker Left rear mid-range speaker Lf a+ Lf a- Lf mr+ Lf mr- Lft+ Lft- Lfw+ Lfw- Lr mr+ Lr mr- R af+ R af- R sub+ R sub- Rf mr+ Rf mr- Rft+ Rft- Rfw+ Rfw- Right carver subwoofer Right front mid-range speaker Right front tweeter speaker Right front woofer speaker Right rear mid-range speaker Rr mr+ Rr mr- X10266 X13016 (left side of luggage compt)
SHIFT INTERLOCK Shift Interlock Wiring Diagram for BMW Z4 2004 List of elements for Shift Interlock Wiring Diagram for BMW Z4 2004: 37 (left rear of engine compt) x6454 Automatic transmission range switch 0 off 1 on B+ potential distributor Battery Brake light Brakelight switch (on bracket, above brake pedal) Can-hi Can-lo Digital motor electronics (dme) control unit (left rear of engine compt) E-box (left rear of engine compt) Exterior lights system Fuse f14 5a Fuse f4 30a Fuse f9 7.5a Ground Hot at all times Hot in acc, run or start Hot in run & start Ign Nca Power distribution (right side of dash) Red Shift lock Shift lock selector lever lock (under center console) Transmission control unit (left rear of engine compt) Transmission range position switch (right side of transmission) Trp sens Txd X11007 X60001 X60002 X60004 X64101 X70001 X70003 X70004 X8680
STARTING/CHARGING Charging Wiring Diagram for BMW Z4 2004 List of elements for Charging Wiring Diagram for BMW Z4 2004: 16 B+ jump start junction point Charge warning indicator Computer data lines system Digital motor electronics control unit (left rear of engine compt) Fuse f24 5a Generator Hot at all times Instrument cluster Power distribution (right side of dash) Red Starter X11005 X11175 X60003 X60004 X6524 Starting Wiring Diagram for BMW Z4 2004 List of elements for Starting Wiring Diagram for BMW Z4 2004: 22 A/t Acc B+ jump start junction point Clutch switch Digital motor electronics control unit (left rear of engine compt) Electronic vehicle immobilizer (under left side of dash) Generator Hot at all times Ignition switch Lock M/t w/ smg M/t w/o smg Red Run Sequential manual gearbox (left rear of engine compt) Start Starter Transmission control unit (left rear of engine compt) X1105 (left side of dash) X60004 X70003 X70013
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram (1 of 2) for BMW Z4 2004 List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for BMW Z4 2004: 57 (2003) (2004) (right kick panel) (right kick panel) x1106 Airbag deactivate + Airbag deactivate - Airbag ind Airbag indicator light Battery Computer data lines system Driver side airbag inflator assembly Driver's airbag inflator assembly Driver's seat belt buckle contact Driver's seat belt tensioner generator Fuse f13 5a Fuse f45 10a Ground Hot at all times Hot in accy, run & start Instrument cluster control module Jump start terminal point K-bus Left b-pillar satellite Left front knee airbag generator Lf dr sat bf bus Lf sensor gnd Lf sensor sig Lt b plr sat bf bus Nca Power distribution (right side of dash) Red Rf sensor gnd Rf sensor sig Rft dr sat bf bus Rt b plr sat bf bus Safety and information module Safety battery terminal generator Shield Term 30 Term r Volute spring X01004 X10170 X10216 X10325 X10326 X10335 X10467 X11001 X11007 X1106 X1106 (right kick panel) X11175 X13351 X13353 X1883 X275 Supplemental Restraints Wiring Diagram (2 of 2) for BMW Z4 2004 List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for BMW Z4 2004: 26 (right kick panel) Left front door satellite Left front sensor (2004) Nca Passenger airbag deactivation switch Passenger side airbag inflator assembly Passenger's airbag inflator assembly Passenger's seat belt buckle contact Passenger's seat belt tensioner generator Red Right b-pillar satellite Right front door satellite Right front knee airbag generator Right front sensor (2004) Seat occupancy recognition X01004 X10217 X10336 X10340 X10341 X1106 X1106 (right kick panel) X13352 X13355 X1884 X279
TRANSMISSION 6-Speed SMG Wiring Diagram (1 of 2) for BMW Z4 2004 List of elements for 6-Speed SMG Wiring Diagram (1 of 2) for BMW Z4 2004: 50 (left rear of engine compt) x6454 (under left side of dash) electronic immobilizer control unit B+ potential distributor Battery Brake light Brakelight switch (on bracket, above brake pedal) Cut-off Eng spd sig Exterior lights system Fuse f14 5a Fuse f32 7.5a Fuse f9 7.5a Gear indicator lighting General module control unit (behind glove box) Ground Hot at all times Hot in acc, run or start Hot in run or start Hot in start Ignition Immobilizer Light switch center Nca Obd ii socket (left footwell) Power distribution (right side of dash) Red Select lever Selector lever Sequential manual gearbox (smg) control module (left rear of engine compt) Shift lock Shift lock selector lever lock (under center console) Side of dash) St whl ctrls Start sig Steering wheel switches Volute spring X01185 X10171 X11007 X11008 X1105 (left X12 X13822 X14137 X1659 X254 X490 (right kick panel) X64101 X70011 X70013 6-Speed SMG Wiring Diagram (2 of 2) for BMW Z4 2004 List of elements for 6-Speed SMG Wiring Diagram (2 of 2) for BMW Z4 2004: 49 Brakes solenoid valve Brk sol Can h Can l Clutch pos Clutch position sensor (left side of trans) Clutch sol Clutch solenoid valve Computer data lines system Digital motor electronics (dme) control unit (left rear of engine compt) E-box (left rear of engine compt) Fuse f1a 30a Fuse f4 30a Gear 1 sol Gear 1 solenoid valve Gear 2 sol Gear 2 solenoid valve Gearshift sensor (top of trans) Ground Hot at all times Hyd press Hydraulic pressure sensor (top of trans) Hydraulic pump Hydraulic pump relay (left rear of engine compt) Ignition Interior lights system Pump relay Red Return Reverse Reversing light relay Rpm sens Rpm sensor (trans main shaft) Select angle Selector angle sensor (top of trans) Sequential manual gearbox (smg) control module (left rear of engine compt) Shift sens Sport sw Sport switch Txd X1106 (right kick panel) X60001 X60002 X60004 X6325 X6454 (left rear of engine compt) X70014 X8680 X8681 A/T Wiring Diagram (1 of 2) for BMW Z4 2004 List of elements for A/T Wiring Diagram (1 of 2) for BMW Z4 2004: 38 (left rear of engine compt) x6454 B+ potential distributor Battery E-box (left rear of engine compt) Electronic vehicle immobilizer Fuse f24 5a Fuse f4 30a Fuse f9 7.5a Gear ind Gear indicator lighting (center console, near selector lever) General module control unit (behind glove box) Ground Hot at all times Hot in run & start Ign Immob Light switch cluster Power distribution (right side of dash) Red Selector lever position switch Shift lock Shift lock selector lever lock (under center console) Steptronic switch (under center console near selector lever) Tip down Tip up Transmission control unit (left rear of engine compt) X11004 X11007 X1106 (right kick panel) X12 X1599 X1600 X1659 X332 X64101 X70001 X70003 X8680 A/T Wiring Diagram (2 of 2) for BMW Z4 2004 List of elements for A/T Wiring Diagram (2 of 2) for BMW Z4 2004: 31 Automatic transmission range switch 0 off 1 on Backup lghts Can-high Can-low Computer data lines system Digital motor electronics (dme) control unit (left rear of engine compt) Nca Oil temp Oil temperature sensor Oss Output shaft speed sensor Pnk Press reg Pressure regulators Red Reversing light relay (left rear of engine compt) Shield Sol valve Solenoid valves Transmission control unit Transmission control unit (left rear of engine compt) Transmission range position switch (right side of transmission) Trp sens Tss Turbine shaft speed sensor Txd X60001 X60002 X60004 X70004 X8505
TRUNK, TAILGATE, FUEL DOOR Trunk, Tailgate, Fuel Door Wiring Diagram for BMW Z4 2004 List of elements for Trunk, Tailgate, Fuel Door Wiring Diagram for BMW Z4 2004: 19 Electronic interior rear-view mirror Fuel filler flap central locking drive Fuse f11 25a Fuse f26 30a Fuse f30 7.5a General module control unit Hot at all times Interior lights system Power distribution (right side of dash) Rear lid release switch (interior) Trunk lid central locking drive X11003 X11004 X1105 (left kick panel) X13004 (right front luggage compt) X253 X254 X332 X490 (right kick panel)
WARNING SYSTEMS Warning Systems Wiring Diagram for BMW Z4 2004 List of elements for Warning Systems Wiring Diagram for BMW Z4 2004: 11 Chime module (gong) (left side of dash) General module control unit (right side of dash) Instrument cluster control unit Instrument cluster system Interior lights system Park distance control unit X11175 X173 (left side of dash) X254 X363 X522
WIPER/WASHER Wiper/Washer Wiring Diagram for BMW Z4 2004 List of elements for Wiper/Washer Wiring Diagram for BMW Z4 2004: 50 (right kick panel) (right side of engine compt) x166 Computer data lines system Fuse f21 5a Fuse f26 30a Fuse f28 5a Fuse f38 30a Fuse f40 30a General module control unit (right side of dash) Ground Head- light washer pump relay Headlight washer Headlight washer pump Heated washer nozzles thermal switch Hot at all times Hot in run and start Hot in run, accy and start Interval time pot K-bus sig Left heated washer nozzle Nca Power distribution (right side of dash) Rain sensor (if equipped) Right heated washer nozzle Term 30 Washer pump Washer pump (right front engine compt) Washer sw sig Wiper motor Wiper relay 1 Wiper relay 2 Wiper relay spd 2 Wiper rest pos Wiper sig relay Wiper sw 1 sig Wiper sw 2 sig Wiper switch X11001 X11002 X11003 X11005 X11007 X1105 (left side of dash) X1106 X165 (left side of engine compt) X166 (right side of engine compt) X173 (left side of dash) X253 X332 X490 (right kick panel)
