BMW M3 E46 (1999-2006) general module control unit Wiring diagrams

17 32 37 36 RPM SIG DIAG TXD CAN (-) CAN (+) 25 10 9 14 DIAG TXD CAN (-) CAN (+) K-BUS 3 4 6 CAN (-) CAN (+) DIAG TXD 32 36 37 DIAG TXD CAN (+) CAN (-) 6 4 DIAG TXD CAN (-) CAN (+) 8 16 DIAG TXD CAN (-) CAN (+) ABS/DSC UNIT ABS/DSC UNIT (AWD) BLK WIRE BRN WIRE BRN/BLK WIRE CONTROL UNIT) DIAG TXD DIAG TXD CAN (-) CAN (+) DIAG TXD CAN (-) CAN (+) 40 24 DIGITAL MOTOR ELECTRONICS DRIVER SEAT MEMORY CONTROL UNIT DRIVER SIDE MIRROR MEMORY CONTROL VOLUTE SPRING DSC STEERING ANGLE SENSOR ELECTRONIC IMMOBILIZER CONTROL UNIT FUSE FUSE HOLDER (GLOVE COMPT) GENERAL MODULE CONTROL UNIT GRN WIRE GRN/BRN WIRE HEATING, A/C CONTROL MODULE HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER K- BUS K- BUS K- BUS LEFT XENON HEADLIGHT (W/ XENON LIGHTS) LIGHT SWITCHING CENTER CONTROL UNIT MULTIPLE RESTRAINT SYSTEM CONTROL UNIT NCA WIRE OBD SOCKET (LEFT FOOTWELL) PARK DISTANCE CONTROL UNIT RAIN SENSOR RED WIRE RED/YEL/WHT WIRE RIGHT XENON HEADLIGHT (W/ XENON LIGHTS) ROLLOVER SENSOR (CONVERTIBLE) RPM SIG SEQUENTIAL MANUAL GEARBOX (SMG) CONTROL MODULE STEERING ANGLE SENSOR SUNROOF MODULE CONTROL UNIT SWITCH CENTER FRONT PASSENGER SIDE MIRROR MEMORY TIRE PRESSURE SYSTEM CONTROL UNIT TRANSMISSION CONTROL UNIT UNIT) VOICE INPUT W/ SMG W/O SMG WHT WIRE WHT/RED/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BRAKE LIGHT SWITCH (NEAR STEERING COLUMN) BRN WIRE BRN/BLK WIRE BRN/BLU WIRE CENTRAL LOCKING DRIVE, TRUNK LID/TAILGATE DIRECTION INDICATOR/ LOW BEAM SWITCH GENERAL MODULE CONTROL UNIT GRN/RED WIRE GRN/YEL WIRE GRY/BRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HAZARD WARNING/ CENTRAL LOCKING SWITCH INSTRUMENT CLUSTER CONTROL MODULE LEFT TAILLIGHT LICENSE PLATE LIGHTS NCA WIRE RED/YEL WIRE RIGHT TAILLIGHT VIO/YEL WIRE WHT WIRE YEL/RED WIRE

BLOWER HEATING AND OUTPUT A/C CONTROL STAGE MODULE BRN WIRE BRN/BLK WIRE CENTER BRAKE LIGHT CHARGING SOCKET CONTROL UNIT, FRONT PASSENGER SEAT MEMORY CONVERTIBLE W/ MEMORY COUPE COUPE CONVERTIBLE DRIVER'S ROLLOVER BACKREST SENSOR HEATING DUAL-FUNCTION SWITCH RECIRCULATE AIR/REAR WINDOW DEFOGGER EARLY 2003 MODELS FRESH AIR/ RECIRCULATED AIR MOTOR FRONT CIGAR LIGHTER LIGHT FRONT RIGHT AUXILIARY FLASHER UNIT GARAGE DOOR OPENER GENERAL MODULE CONTROL UNIT GLOVE BOX LIGHT HEATING BLOW RELAY HORN FOR ANTI-THEFT ALARM SYSTEM INTERIOR LIGHT, REAR INTERIOR/ FRONT READING CIGAR LAMP, LIGHTER FRONT LEFT WINDSHIELD WASHER JET HEATER LIGHTING, GEARSHIFT LEVER MAKE-UP MIRROR SWITCH, DRIVER'S SIDE MAKE-UP MIRROR SWITCH, PASSENGER'S SIDE MIRROR MEMORY CONTROL UNIT, FRONT PASSENGER'S SIDE NCA WIRE ODDMENTS COMPARTMENT, LEFT ODDMENTS COMPARTMENT, RIGHT OUTSIDE MIRROR FOLD-IN CONTROL UNIT PASSENGER'S BACKREST HEATING PASSENGER'S SEAT HEATING PASSENGER'S SIDE FOOTWELL LIGHT PASSENGER'S SIDE OUTSIDE MIRROR WITH MEMORY PASSENGER'S SIDE PRESSURE- SENSITIVE FINGER GUARD POWER SYSTEM WINDOW LOCK, REAR SWITCH, PASSENGER'S REAR SIDE RIGHT REAR ELECTRIC DEFROSTER FUEL RELAY PUMP REAR RIGHT BRAKE PAD SENSOR REAR RIGHT INTERIOR LIGHT RIGHT REAR WINDOW PRESSURE- SENSITIVE FINGER GUARD RIGHT WINDSHIELD WASHER JET HEATER SEDAN SEDAN, WAGON, 2004-2006 CONVERTIBLE SHIFT LOCK SELECTOR LEVER LOCK SUNROOF MODULE CONTROL UNIT SWITCH, GLOVE BOX CENTRAL LOCKING SYSTEM LOCK, PASSENGER'S DOOR VALVE BLOCK, PASSENGER'S PASSENGER'S LUMBAR LUMBAR SUPPORT SUPPORT SWITCH W/ HEATER CONTROL W/ SMG W/O HEATER CONTROL WAGON W/O MEMORY SEAT

1 2 3 ADJUST SW ADJUST SW ADJUST SW 1 2 3 DATA TERM 30 TERM 31 BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT MEMORY CONTROL UNIT DRIVER'S SIDE MEMORY MIRROR FOLDING MOTOR FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT HEATING ELEMENT HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE MIRROR ADJUSTMENT SWITCH PASSENGER'S SIDE MEMORY MIRROR POSITION MOTORS POSITION SENSORS RED/GRN/YEL WIRE SET SWITCH PROGRAM SWITCHES (3) WHT/RED/YEL WIRE

2003-2006 CONVERTIBLE W/ MEMORY 2003-2006 SEDAN, WAGON 2005- ABS/ASC UNIT (W/ ASC) ABS/DSC UNIT (W/ AWD) ABS/DSC UNIT (W/ DSC) ABS/DSC UNIT (W/ DSC) ABS/ASC UNIT (W/ ASC) ADAPTIVE HEADLIGHT CONTROL MODULE (IF EQUIPPED) ANTENNA AMPLIFIER AM/FM BLOWER OUTPUT STAGE (W/O HEATER CONTROL) BLOWER SWITCH (W/ HEATER CONTROL) BLU WIRE BRN WIRE CONTROLLED FUEL PUMP CONTROL MODULE DRIVER'S LUMBAR SUPPORT SWITCH (CONVERTIBLE) DRIVER'S SEAT ADJUSTMENT SWITCH (EXCEPT CONVERTIBLE) DRIVER'S SEAT MEMORY CONTROL UNIT (CONVERTIBLE) DRIVER'S SIDE MIRROR MEMORY CONTROL UNIT FROM FRONT PASSENGER'S SIDE MIRROR MEMORY CONTROL UNIT FUEL PUMP RELAY FUSE FUSE FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT GRN WIRE GRY WIRE HEADLIGHT WASHER MODULE HORN RELAY INDEPENDENT PARK HEATING CONTROL UNIT OTHERS OUTSIDE MIRROR FOLD-IN CONTROL UNIT PASSENGER'S DOOR POWER WINDOW MOTOR (W/ ANTI-TRAP PROTECTION FUNCTION) REAR WINDOW DRIVE RELAY (WAGON) RED WIRE TO FUSE VIO WIRE WATER A/C VALVES COMPRESSOR RELAY WHT WIRE WIPER RELAY YEL WIRE

ANTENNA AMPLIFIER (IF EQUIPPED) BLK WIRE BLU WIRE BRAKE LIGHT SWITCH CLUTCH SWITCH MODULE CONVERTIBLE SOFT TOP CLOSED PUSHBUTTON (IF EQUIPPED) CONVERTIBLE SOFT TOP CONTROL MODULE DRIVER'S SEAT BELT BUCKLE HALL SENSOR DRIVER'S SIDE MAKE-UP MIRROR LIGHT ELECTRONIC IMMOBILIZER CONTROL UNIT FROM FROM IGNITION SWITCH (DIAGRAM 5 OF 6) FUSE FUSE FUSE FUSE HOLDER (GLOVE BOX) GEARSHIFT LOCK GENERAL MODULE CONTROL UNIT GPS RECEIVER (IF EQUIPPED) GRN WIRE GRY WIRE HORN RELAY INSTRUMENT CLUSTER CONTROL MODULE LEFT SIDE AIRBAG SENSOR (SATELLITE) (IF EQUIPPED) LIGHT SWITCHING CENTER CONTROL UNIT MULTIPLE RESTRAINT SYSTEM CONTROL UNIT NCA WIRE ON-BOARD MONITOR CONTROL UNIT (IF EQUIPPED) PASSENGER'S SEAT BELT BUCKLE HALL SENSOR PASSENGER'S SIDE MAKE-UP MIRROR LIGHT RADIO CONTROL UNIT RAIN SENSOR REAR INTERMITTENT WIPE/WASH CONTROL UNIT (WAGON) RIGHT SIDE AIRBAG SENSOR (SATELLITE) (IF EQUIPPED) ROLLOVER SENSOR SEAT LOAD SENSOR SWITCH CENTER TO FUSE VIO WIRE VOLUTE SPRING WHT WIRE YEL WIRE