BMW M3 E46 (1999-2006) (under left side of dash) Wiring diagrams

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 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) SEQUENTIAL MANUAL GEARBOX (SMG) CONTROL MODULE (LEFT REAR OF ENGINE COMPT) 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

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE CENTER BRAKE LIGHT COMPUTER DATA LINES SYSTEM FUSE FUSE HOLDER (GLOVE BOX) GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HAZ WARN SW BRAKE LIGHT HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN ACC RUN AND START HOT IN RUN AND START INTERFERENCE SUPPRESSION FILTER LEFT FRONT AUXILIARY FLASHER UNIT LEFT FRONT TURN SIGNAL LAMP LEFT PARKING LIGHT LIGHT SWITCHING CENTER CONTROL UNIT LT BRK LGHT SIG TERM 30 LT LO BEAM SIG RT HI BEAM SIG LT DYN BRK LGHT K-BUS SIG RED/GRN WIRE RED/VIO WIRE RIGHT FRONT AUXILIARY FLASHER UNIT RIGHT FRONT TURN SIGNAL LAMP RIGHT PARKING LIGHT RT BRK LGHT SIG RF TRN SIG LMP TRN SIG SW HI BM/FLASH SW TERM 15 CNTR BRK LGHT LIC PLT LGHT LT AUX TRN SIG VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE

BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE GRN/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HAZ WARN SW BRAKE LIGHT HOT AT ALL TIMES HOT IN ACC RUN AND START HOT IN RUN AND START INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM K-BUS SIG LEFT HIGH BEAM LEFT LOW BEAM LIGHT SWITCHING CENTER CONTROL UNIT LT BRK LGHT SIG TERM 30 LT LO BEAM SIG RT HI BEAM SIG RAIN/DRIVING LIGHT SENSOR (BEHIND INTERIOR REARVIEW MIRROR) RED WIRE RED/GRN WIRE RED/VIO WIRE RIGHT HIGH BEAM RIGHT LOW BEAM RR TRN SIG LMP RF PRK LGHT LF PRK LGHT RT AUX TRN SIG RT BRK LGHT SIG RF TRN SIG LMP TRN SIG SW HI BM/FLASH SW SIG LOCATOR LGHTING LMP IN HAZ WARN SW REAR FOG LIGHT LF TRN SIG LMP TERM 15 CNTR BRK LGHT LIC PLT LGHT LT AUX TRN SIG VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/GRY WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM FUSE FUSE HOLDER (GLOVE BOX) GRN/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HAZ WARN SW BRAKE LIGHT HEADLIGHT VERTICAL AIM CONTROL FRONT LOAD SENSOR HEADLIGHT VERTICAL AIM CONTROL REAR LOAD SENSOR HOT AT ALL TIMES HOT IN ACC RUN AND START INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM K-BUS SIG FRNT LOAD SENS SIG LEFT HEADLIGHT VERTICAL AIM CONTROL MOTOR LEFT TRUNK LID LAMP LIGHT SWITCHING CENTER CONTROL UNIT LT BRK LGHT SIG TERM 30 LT LO BEAM SIG RT HIGH BEAM SIG RAIN/DRIVING LIGHT SENSOR (BEHIND INTERIOR REARVIEW MIRROR) RED/GRN WIRE RED/VIO WIRE RIGHT HEADLIGHT VERTICAL AIM CONTROL MOTOR VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/RED/YEL WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE

2 6 (A/T) (SMG) BLK WIRE BLU WIRE BRN WIRE COURTESY LAMPS CIRCUIT DRIVER'S DOOR SWITCH BLOCK EJECT BOX FRONT CIGAR LIGHTER LIGHT FRONT INTERIOR/ READING LAMP FUSE FUSE HOLDER (GLOVE BOX) GEAR INDICATOR LIGHT GRN WIRE GRY WIRE HAZARD WARNING/ CENTRAL LOCKING SWITCH HEATING, A/C CONTROL MODULE HOT AT ALL TIMES HOT IN RUN AND START INSTRUMENT CLUSTER CONTROL MODULE LIGHT SWITCHING CENTER CONTROL UNIT MAYDAY SWITCH NCA WIRE ON-BOARD MONITOR CONTROL UNIT PASSENGER'S DOOR POWER WINDOW SWITCH PROGRAM BUTTON (SMG) RADIO CONTROL UNIT REAR ASHTRAY LIGHT RED WIRE SIG LOC LGHT SUNROOF CONTROL SWITCH SUNROOF MODULE CONTROL UNIT SWITCH CENTER TERM TERM 15 TERM 30 TRUNK RELEASE SWITCH (INTERIOR) VIO WIRE W/ ON-BOARD MONITOR W/O ON-BOARD MONITOR YEL WIRE

B+ JUMP BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BRN WIRE BRN/BLK WIRE CLUTCH PEDAL POSITION SWITCH (W/ M/T) DIGITAL MOTOR ELECTRONICS CONTROL UNIT (LEFT REAR OF ENGINE COMPT) E-BOX FAN ELECTRONIC IMMOBILIZER CONTROL (UNDER LEFT SIDE OF DASH) FUSE 9 FUSE HOLDER (GLOVE BOX) GENERATOR HOT AT ALL TIMES HOT IN ACC, RUN OR START IGNITION SWITCH INSTRUMENT CLUSTER CONTROL MODULE JUNCTION POINT LOCK RED WIRE RUN WIRE STARTER TRANSMISSION CONTROL UNIT (W/ A/T) (LEFT REAR OF ENGINE COMPT) VIO WIRE VIO/YEL WIRE YEL WIRE

37 36 CAN L CAN H BLK WIRE BLK/VIO WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BRAKELIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE CAN-L CAN-H DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) DME RELAY E BOX (LEFT REAR OF ENGINE COMPT) FUSE E-BOX (LEFT REAR OF ENGINE COMPT) FUEL PUMP (IN FUEL TANK) FUEL PUMP RELAY FUSE FUSE FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES B+ POTENTIAL DISTRIBUTOR HOT IN ACCY, RUN, OR START INDIVIDUAL CONTROL INTAKE SYSTEM VALVE (LEFT SIDE OF ENGINE COMPARTMENT) NCA WIRE ORG/ WIRE OXYGEN SENSOR 1 (BEHIND CATALYTIC CONVERTER) OXYGEN SENSOR 1 (IN FRONT OF CATALYTIC CONVERTER) OXYGEN SENSOR 2 (IN FRONT OF CATALYTIC CONVERTER) OXYGEN SENSOR 2 BEHIND CATALYTIC CONVERTER RED WIRE RED/VIO WIRE RED/WHT WIRE RED/WHT/YEL WIRE SECONDARY AIR PUMP VALVE (LEFT REAR OF ENGINE) TRANSMISSION CONTROL MODULE (LEFT REAR OF ENGINE COMPT) VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE