TRANSMISSION – BMW Z4 2003 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

6-Speed SMG Wiring Diagram (1 of 2) for BMW Z4 2003

List of elements for 6-Speed SMG Wiring Diagram (1 of 2) for BMW Z4 2003:

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 2003

List of elements for 6-Speed SMG Wiring Diagram (2 of 2) for BMW Z4 2003:

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 2003

List of elements for A/T Wiring Diagram (1 of 2) for BMW Z4 2003:

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 2003

List of elements for A/T Wiring Diagram (2 of 2) for BMW Z4 2003:

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