BMW 3 series E46 (1998-2003) k- bus Wiring diagrams

17 32 37 36 RPM SIG DIAG TXD CAN (-) CAN (+) 2 15 DIAG TXD CAN (-) CAN (+) 25 10 9 14 DIAG TXD CAN (-) CAN (+) K-BUS 6 3 4 DIAG TXD CAN (-) CAN (+) 6 4 3 DIAG TXD CAN (-) CAN (+) 8 16 DIAG TXD CAN (-) CAN (+) ABS/DSC UNIT ABS/DSC UNIT (AWD) BLK WIRE BRN WIRE BRN/BLK WIRE CAN (+) DIAG TXD DIAG TXD CAN (-) CAN (+) 40 24 DIGITAL MOTOR ELECTRONICS DRIVER SEAT MEMORY CONTROL UNIT DRIVER SIDE MIRROR MEMORY CONTROL 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 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 CONTROL UNIT RED WIRE RED/YEL/WHT WIRE RIGHT XENON HEADLIGHT (W/ XENON LIGHTS) ROLLOVER SENSOR (CONVERTIBLE) STEERING ANGLE SENSOR SUNROOF MODULE CONTROL UNIT SWITCH CENTER TIRE PRESSURE SYSTEM CONTROL UNIT TRANSMISSION CONTROL UNIT UNIT) VOLUTE SPRING W/O TEL TELEPHONE PROVISIONS WHT WIRE WHT/RED/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

BASIC INTERFACE TELEPHONE BASIC INTERFACE TELEPHONE (W/ NOKIA CELLULAR PHONE BASIC VOICE INPUT INTERFACE TELEPHONE CD CHANGER CD VIDEO MODULE CONTROL UNIT CHANGER (W/ ON- BOARD MONITOR) INTERFACE INTERFACE RADIO CONTROL UNIT (W/ MOTOROLA V-SERIES CELLULAR PHONE) K- BUS K- BUS K- BUS NAVIGATION COMPUTER NAVIGATION COMPUTER RADIO CONTROL UNIT NCA WIRE ON-BOARD MONITOR CONTROL UNIT RADIO CONTROL UNIT TRANCEIVER/ VOICE INPUT CHARGING ELECTRONICS (W/ TELE- PHONE PROVISIONS) VIDEO MODULE CONTROL UNIT VOICE INPUT W/ FIXED MOUNTING MOTOROLA (PHASE V+) W/ NAVIGATION W/ NOKIA CELLULAR PHONE, W/ FIXED MOUNTING MOTOROLA (PHASE V+), W/ ON-BOARD MONITOR W/ SIEMENS CORDLESS HANDSET) W/O NAVIGATION W/O ON-BOARD MONITOR WHT/RED/YEL WIRE

8 4 5 6 VOLTAGE SUPPLY GROUND GROUND GROUND BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BRAKELIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/VIO WIRE BRN/WHT WIRE CAN (+) CAN (-) CAN (+) DIAG TXD CLUTCH PEDAL POSITION SWITCH (IF EQUIPPED) COMPUTER DATA LINES SYSTEM DIAG TXD CAN (+) CAN (-) 36 37 DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) E-BOX (LEFT REAR OF ENGINE COMPT) ELECTRIC THROTTLE ACTUATOR (TOP LEFT SIDE OF ENGINE) FUSE 2 FUSE 9 FUSE HOLDER (GLOVE BOX) GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN ACC, RUN OR START INSTRUMENT CLUSTER CONTROL MODULE K- BUS LEFT BUTTON PAID (IN STEERING WHEEL) NCA WIRE PEDAL POSITION SENSOR (BEHIND ACCEL PEDAL) RED WIRE RED/WHT/YEL WIRE RIGHT BUTTON PAID (IN STEERING WHEEL) TRANSMISSION CONTROL UNIT VIO WIRE VIO/YEL WIRE VOLUTE SPRING WHT WIRE WHT/GRN WIRE WHT/RED/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 TERM 15 A/T BLU/GRY WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE CHIME MODULE COMPUTER DATA LINES SYSTEM FUSE FUSE HOLDER (GLOVE BOX) GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND HOT IN RUN OR START K- BUS LEFT CENTER CONVERTER LEFT REAR CONVERTER M/T REVERSE SIG RIGHT CENTER CONVERTER RIGHT REAR CONVERTER WHT/RED/YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

ANTENNA AMPLIFIER ANTENNA AMPLIFIER W/ ROD ANTENNA BLK WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CD CHANGER CELLULAR PHONE (W/ VOICE INPUT) EXCEPT CONVERTIBLE FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE HOT AT ALL TIMES HOT IN RUN, ACC OR START INSTRUMENT CLUSTER CONTROL MODULE K- BUS LEFT FRONT SPEAKER LEFT FRONT TWEETER LEFT REAR HIGH RANGE SPEAKER (W/ CONV) LEFT REAR SPEAKER NAVIGATION COMPUTER (IF EQUIPPED) NCA WIRE ON-BOARD MONITOR CONTROL MODULE RADIO CONTROL UNIT REAR WINDOW RED WIRE RED/GRN WIRE RIGHT FRONT SPEAKER RIGHT FRONT TWEETER RIGHT REAR HIGH RANGE SPEAKER (W/ CONV) RIGHT REAR SPEAKER TELEPHONE PROVISION VIDEO MODULE CONTROL UNIT (IF EQUIPPED) VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE

ANTENNA AMPLIFIER ANTENNA AMPLIFIER W/ ROD ANTENNA BLK WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CD CHANGER EXCEPT CONVERTIBLE FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN, ACC OR START INSTRUMENT CLUSTER CONTROL MODULE K- BUS LEFT FRONT SPEAKER LEFT FRONT TWEETER LEFT REAR HIGH RANGE SPEAKER (W/ CONV) LEFT REAR SPEAKER NAVIGATION COMPUTER (IF EQUIPPED) NCA WIRE RADIO CONTROL UNIT REAR WINDOW RED WIRE RED/GRN WIRE RIGHT FRONT SPEAKER RIGHT FRONT TWEETER RIGHT REAR HIGH RANGE SPEAKER (W/ CONV) RIGHT REAR SPEAKER TELEPHONE PROVISION VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE

ANTENNA AMPLIFIER ANTENNA AMPLIFIER W/ ROD ANTENNA BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/ORG WIRE CD CHANGER CELLULAR PHONE (W/ VOICE INPUT) EXCEPT CONVERTIBLE FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE HOT AT ALL TIMES HOT IN RUN, ACC OR START INSTRUMENT CLUSTER CONTROL MODULE K- BUS NAVIGATION COMPUTER (IF EQUIPPED) NCA WIRE ON-BOARD MONITOR CONTROL MODULE RADIO CONTROL UNIT REAR WINDOW RED WIRE RED/GRN WIRE TELEPHONE PROVISION VIDEO MODULE CONTROL UNIT (IF EQUIPPED) VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE

ANTENNA AMPLIFIER ANTENNA AMPLIFIER W/ ROD ANTENNA BLK WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/ORG WIRE CD CHANGER EXCEPT CONVERTIBLE FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN, ACC OR START INSTRUMENT CLUSTER CONTROL MODULE INTERIOR LIGHTS K- BUS NAVIGATION COMPUTER (IF EQUIPPED) NCA WIRE RADIO CONTROL UNIT REAR WINDOW RED WIRE RED/GRN WIRE TELEPHONE PROVISION VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

ANTENNA AMPLIFIER ANTENNA AMPLIFIER W/ ROD ANTENNA BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/ORG WIRE CD CHANGER CELLULAR PHONE (W/ VOICE INPUT) COUPE, SEDAN (LEFT SIDE OF RIGHT FOOTWELL) EXCEPT CONVERTIBLE FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE HOT AT ALL TIMES HOT IN RUN, ACC OR START INSTRUMENT CLUSTER CONTROL MODULE ON-BOARD MONITOR CONTROL MODULE K- BUS NAVIGATION COMPUTER (IF EQUIPPED) NCA WIRE RADIO CONTROL UNIT REAR DEFROSTER RELAY REAR WINDOW RED WIRE RED/GRN WIRE SPATIAL SOUND SWITCH SPEED SWITCH CENTER TELEPHONE PROVISION VIDEO MODULE CONTROL UNIT (IF EQUIPPED) VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE

ANTENNA AMPLIFIER ANTENNA AMPLIFIER W/ ROD ANTENNA BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/ORG WIRE CD CHANGER COUPE, SEDAN (LEFT SIDE OF RIGHT FOOTWELL) EXCEPT CONVERTIBLE FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN, ACC OR START INSTRUMENT CLUSTER CONTROL MODULE INTERIOR LIGHTS K- BUS NAVIGATION COMPUTER (IF EQUIPPED) NCA WIRE RADIO CONTROL UNIT REAR DEFROSTER RELAY REAR WINDOW RED WIRE RED/GRN WIRE SPATIAL SOUND SWITCH SPEED SWITCH CENTER TELEPHONE PROVISION VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE