BMW 3 series E46 (1998-2003) red/blk Wiring diagrams

30 RF WHL SPD RF WHL SPD ABS/DSC UNIT (RIGHT REAR OF ENGINE COMPT) BLK WIRE BLK/RED/WHT WIRE BLK/VIO WIRE BLK/VIO/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BLK/YEL WIRE BLU/BRN/YEL WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT/YEL WIRE BRAKE FLUID LEVEL SWITCH BRAKELIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) BRN WIRE BRN/BLK WIRE BRN/BLK/WHT WIRE BRN/GRN/YEL WIRE BRN/RED WIRE CAN LOW GROUND DIGITAL MOTOR ELECTRONICS CONTROL UNIT (LEFT REAR OF ENGINE COMPT) DSC SWITCH FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE GRN/BLU WIRE GRN/BLU/YEL WIRE GRY/BLK/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, ACCY OR START INSTRUMENT CLUSTER CONTROL MODULE LATERAL SENS LEFT FRONT SPEED SENSOR (WHEEL HUB) LEFT REAR SPEED SENSOR (WHEEL HUB) LR WHL SPD LR WHL SPD MIRROR FOLD-IN CONTROL UNIT NAVIGATION COMPUTER NCA WIRE PRESSURE SENSOR 1 PRESSURE SENSOR 2 PARK BRAKE SWITCH RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT REAR SPEED SENSOR (WHEEL HUB) RPM RATE SENSOR (UNDER DRIVER'S SEAT) RIGHT FRONT SPEED SENSOR (WHEEL HUB) RR WHL OUT BRAKE FLUID LR SPD OUT CAN HIGH SENSOR + PARK BRAKE STEERING ANGLE SENSOR (IN COLUMN) SWITCH CENTER TRANSVERSE ACCELERATION SENSOR (UNDER LEFT SIDE OF DASH) VIO WIRE WHT/BLU WIRE WHT/BLU/YEL WIRE WHT/GRN WIRE WHT/RED/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE

BLK WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CENTRAL LOCKING DRIVE, TRUNK LID/TAILGATE (REAR LUGGAGE COMPT) CONVERTIBLE TOP 1 RELAY (BEHIND GLOVE BOX) CONVERTIBLE TOP COMPARTMENT FLOOR SWITCH (IN REAR RIGHT SIDE OF LUGGAGE COMPT) CONVERTIBLE TOP COVER DRIVE (UNDER CENTER OF REAR SEAT) CONVERTIBLE TOP COVER DRIVE SWITCH (UNDER CENTER OF REAR SEAT) FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES FUSE NCA WIRE RED WIRE RED/BLK WIRE RED/GRY WIRE RED/GRY/YEL WIRE SWITCH CENTER (CENTER CONTROL FRONT) WHT/BLU WIRE WHT/BRN WIRE

2001 MODELS 2002-04 MODELS BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRN/BLK WIRE CLUTCH SWITCH MODULE (ON CLUTCH PEDAL) COMPUTER DATA LINES SYSTEM DIGITAL MOTOR ELECTRONIC CONTROL UNIT (LEFT REAR ENG COMPT) E-BOX FAN (LEFT SIDE OF LEFT FRONT FOOTWELL) ELECTRONIC IMMOBILIZER CONTROL UNIT (UNDER LEFT SIDE EWS TOROIDAL COIL FUSE FUSE HOLDER (GLOVE BOX) GEARSHIFT LOCK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START IGNITION SWITCH INSTRUMENT CLUSTER CONTROL MODULE LOCK OF DASH) RED WIRE RED/BLK WIRE RED/BLU WIRE RUN WIRE SMG CONTROL MODULE (LEFT REAR OF ENG COMPT) SMG ONLY STARTER STARTING/ CHARGING SYSTEM TRANS SW SIG TRANSMISSION CONTROL UNIT (LEFT REAR ENG COMPT) VIO/WHT WIRE VIO/YEL WIRE W/ SMG TRANS W/O SMG TRANS WHT/RED/YEL WIRE YEL WIRE

1 2 3 LUMBAR SW - ADJUSTMENT SWITCHES BLK/VIO WIRE BLK/YEL WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT BACKREST ADJUSTMENT MOTOR DRIVER'S SEAT FORWARD/ BACKWARD ADJUSTMENT MOTOR DRIVER'S SEAT HEIGHT ADJUSTMENT MOTOR DRIVER'S SEAT MEMORY CONTROL UNIT DRIVER'S SEAT TILT ADJUSTMENT MOTOR FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN/VIO WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BRN WIRE HOT AT ALL TIMES ILLUM INSTRUMENT CLUSTER CONTROL MODULE LUMBAR SW + PROGRAM SWITCHES (3) RED/BLK WIRE RED/BRN WIRE SEAT BACKREST SEAT HEIGHT SEAT TILT SEAT FWD/BACK SEAT BACKREST) SEATS SYSTEM (LUMBAR CIRCUIT, IF EQUIPPED) SET SWITCH VIO/BLK WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/RED WIRE WHT/RED/YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

1 2 3 4 5 6 7 8 9 10 REVERSE SIG INFRARED REC TERM 15 BLU/RED WIRE BLU/YEL WIRE BRN/BLK WIRE ELECTROCHROMIC INTERIOR REAR VIEW MIRROR EXTERIOR LIGHTS SYSTEM (BACKUP LAMPS) FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN/WHT WIRE GRY/BLK/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START RED/BLK WIRE SECURITY TERM 31

10 7 GND CENTERLOCK BUTTON SIG 25 26 FRONT PASSENGER DOOR CONTACT SIG DRIVER DOOR'S CONTACT SIG 42 47 TRUNK LID CONTACT SWITCH BATTERY BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY/YEL WIRE CONTROL MODULE, INTERIOR PROTECTION I (UNDER CENTER CONSOLE) CONTROL MODULE, INTERIOR PROTECTION II (REAR CENTER CONSOLE) ELECTROCHROMATIC INTERIOR REARVIEW MIRROR FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRY/BLK/YEL WIRE GRY/BRN WIRE HORN FOR ANTI-THEFT ALARM SYSTEM (REAR ENG COMPT) HOT AT ALL TIMES RED WIRE RED/BLK WIRE RED/VIO WIRE TILT MONITORING (RIGHT SIDE OF LUGGAGE COMPT) TIRE PRESSURE CONTROL SYSTEM CONTROL UNIT (BEHIND GLOVE BOX) UNLOCK DRIVER'S SIG VIO WIRE VIO/GRN WIRE VIO/WHT WIRE

10 7 GND CENTERLOCK BUTTON SIG 42 47 TRUNK LID CONTACT SWITCH BATTERY BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/GRY/YEL WIRE CONTROL MODULE, INTERIOR PROTECTION I (UNDER CENTER CONSOLE) ELECTROCHROMATIC INTERIOR REARVIEW MIRROR FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRY/BLK/YEL WIRE GRY/BRN WIRE HORN FOR ANTI-THEFT ALARM SYSTEM (REAR ENG COMPT) HOT AT ALL TIMES RED WIRE RED/BLK WIRE RED/VIO WIRE TILT MONITORING (RIGHT SIDE OF LUGGAGE COMPT) TIRE PRESSURE CONTROL SYSTEM CONTROL UNIT (BEHIND GLOVE BOX) VIO WIRE VIO/GRN WIRE VIO/WHT WIRE

ANTI-THEFT SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE CHILD SAFETY LCK WNDW REG CUT-OFF SIGNAL DWA LED INT PROTECTION DOOR LOCKS SYSTEM FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN WIRE GRY WIRE GRY/BLK/YEL WIRE HOT AT ALL TIMES FUSE INT PROTECTION POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RR DRVR PWR WNDW OPEN RR PASS PWR WNDW OPEN RR DRVR PWR WNDW OPEN RR WNDW RED PWR WIRE TRANSMISSIONS SYSTEM MIRRORS SYSTEM ANTI-THEFT SYSTEM UNLCK TRUNK LID VIO/GRN WIRE W/O CONVERTIBLE TOP MODULE (2000-2002) (2003-2005) WHT/GRN WIRE WHT/YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/YEL WIRE DOOR LOCKS SYSTEM FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN WIRE GRN/BLU WIRE GRY WIRE GRY/BLK/YEL WIRE HOT AT ALL TIMES FUSE POWER WINDOWS SYSTEM RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RR DRVR ANTI-TRAP STRIP RR PASS ANTI-TRAP STRIP RR WNDW RED PWR WIRE UNLCK TRUNK LID VIO/GRN WIRE VIO/WHT WIRE WHT/GRN WIRE WHT/YEL WIRE

BLK WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/GRY/YEL WIRE BRN/VIO WIRE CENTRAL LOCKING FUEL FILTER FLAP (RIGHT SIDE OF LUGGAGE COMPT) CENTRAL LOCKING REMOTE CONTROL ELECTRONIC INTERIOR REAR-VIEW MIRROR FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRY/BLK/YEL WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES FUSE N/A 9 15 NCA WIRE RED WIRE RED/BLK WIRE SYSTEM LOCK, DRIVER'S DOOR SYSTEM LOCK, PASSENGER'S DOOR VIO WIRE W/ INFRARED REMOTE CONTROL W/ RADIO REMOTE CONTROL WHT WIRE WHT/BLK WIRE WHT/RED/YEL WIRE YEL/RED WIRE