BMW M3 E46 (1999-2006) (under driver's seat) Wiring diagrams

BLK WIRE BLU WIRE BRN WIRE CENTRAL LOCKING DRIVE, TRUNK LID/ TAILGATE DRIVER'S MAKEUP MIRROR SWITCH DRIVER'S SIDE FRONT FOOTWELL LIGHT DRIVER'S SIDE MAKEUP MIRROR LIGHT FRONT INTERIOR/ READING LAMP FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GLOVE BOX LIGHT GRY WIRE GRY/BRN WIRE GRY/RED WIRE HOT AT ALL TIMES FUSE HOT IN ACCY, RUN AND START FUSE INSTRUMENT ILLUMINATION CIRCUIT LEFT ODDMENTS COMPARTMENT LIGHT LEFT REAR INTERIOR LIGHT LEFT TAIL LIGHT LIGHT SWITCHING CENTER CONTROL UNIT PASS- ENGER'S SIDE FRONT FOOTWELL LIGHT PASSENGER'S MAKEUP MIRROR SWITCH PASSENGER'S SIDE MAKEUP MIRROR LIGHT REAR ASHTRAY LIGHT RED WIRE RIGHT ODDMENTS COMPARTMENT LIGHT RIGHT REAR INTERIOR LIGHT RIGHT TAIL LIGHT VIO WIRE WHT WIRE WHT/BRN 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

BLK WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT ADJUSTMENT SWITCH DRIVER'S SEAT BACKREST ADJUSTMENT MOTOR DRIVER'S SEAT BACKREST LOCK SWITCH DRIVER'S SEAT ENTRY FACILITY SWITCH (BACKREST) DRIVER'S SEAT FORWARD/ BACKWARD ADJUSTMENT MOTOR DRIVER'S SEAT HEADREST 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/BLK WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES ILLUM INSTRUMENT CLUSTER CONTROL MODULE PASSENGER'S SEAT MEMORY CONTROL UNIT PROGRAM SWITCHES (3) RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE SEAT ADJUSTMENT SW ENTRANCE AID ENTRANCE AID SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW ENTRANCE AID SEAT TILT SEAT BACKREST SEAT HEADREST SEAT FWD/BACK TERM 30 SET SWITCH VIO/BRN WIRE VIO/GRY WIRE VIO/RED WIRE W/ ENTRANCE AID WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/RED/YEL WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

5 47 (OTHERS) ABS/ASC UNIT OR ABS/DSC UNIT BEHIND BRAKE BOOSTER) BRN WIRE DRIVER'S DOOR POWER WINDOW MOTOR (CONVERTIBLE) DRIVER'S DRIVER'S BACKREST SEAT HEATING HEATING DRIVER'S LUMBAR SUPPORT SWITCH DRIVER'S SEAT ADJUSTMENT SWITCH DRIVER'S SEAT MEMORY CONTROL UNIT DRIVER'S SIDE FOOTWELL, RIGHT DRIVER'S SIDE OUTSIDE MIRROR WITH MEMORY DRIVER'S SIDE PRESSURE, SENSITIVE FINGER GUARD E-BOX PRECHARGE FAN PUMP EAC SENSOR ELECTRIC FAN EXCEPT CONVERTIBLE FRONT LEFT AUXILIARY FLASHER UNIT FRONT RIGHT TURN SIGNAL LAMP HEADLIGHT WASHER PUMP LUMBAR SUPPORT ONLY MIRROR ADJUSTMENT SWITCH MIRROR CONTROL UNIT, DRIVER'S SIDE NCA WIRE RIGHT FOG LIGHT RIGHT HIGH BEAM RIGHT HORN RIGHT LOW BEAM RIGHT PARKING LIGHT RIGHT REAR ENG COMPT, SECONDARY AIR INJECTION PUMP SECONDARY AIR INJECTION PUMP RELAY SEDAN, WAGON, 2004-2006 CONVERTIBLE COUPE W/ MEMORY SIDE MARKER LIGHT, LEFT SYSTEM LOCK, DRIVER'S DOOR VALVE BLOCK DRIVER'S LUMBAR SUPPORT W/ DSC W/ MEMORY W/ SEAT MEMORY W/ XENON HEADLIGHT W/O MEMORY W/O SEAT MEMORY W/O SMF MEMORY SEAT, DRIVER W/O XENON HEADLIGHT WASHER PUMP WIPER CHIME MOTOR MODULE WIPER RELAY XENON HEADLIGHT, RIGHT

AMPLIFIER BASIC INTERFACE TELEPHONE BRAKE FLUID WINDSCREEN LEVEL WIPER SWITCH SWITCH BRN WIRE BRN/BLK WIRE CD CHANGER CENTRAL LOCKING DRIVE, TRUNK LID/ TAILGATE CLUTCH SWITCH MODULE CONTROL MODULE FOR ADAPTIVE HEADLIGHT CONVER- TIBLE ONLY CONVERTIBLE TOP ONLY COUPE COUPE, SEDAN ONLY DRIVER, CONVERTIBLE TOP COVER EJECT BOX COMPENSATOR ELECTRONIC IMMOBILIZER CONTROL UNIT ENGINE COOLANT LEVEL SWITCH GEAR INDICATOR STEPTRONIC LIGHT SWITCH HAZARD WARNING/ CENTRAL LOCKING SWITCH IGNITION COIL 6 IGNITION IGNITION COIL 4 COIL 5 IGNITION IGNITION IGNITION COIL 1 COIL 2 COIL 3 INSTRUMENT CLUSTER CONTROL MODULE INTERMITTENT WIPER/WASHER CONTROL UNIT, REAR LICENSE PLATE LIGHTS LIFT GATE LOCK SWITCH LIGHT SWITCHING CENTER FOG WASHER CONTROL LIGHT FLUID LEVEL UNIT RELAY SWITCH MANUAL CONVERTIBLE TOP ONLY MAYDAY SWITCH MOTOROLA CELLULAR PHONE NAVIGATION COMPUTER NCA WIRE ON-BOARD MONITOR CONTROL UNIT PARK DISTANCE CONTROL RAIN UNIT SENSOR PRESSURE TIRE CONTROL CONTROL MODULE, TIRE SYSTEM FAILURE CONTROL UNIT INDICATOR RADIO CONTROL UNIT RDW RDC REAR WASHER PUMP REAR WINDOW OPENING SWITCH SEDAN SIEMENS FIXED MOUNTING SUB WOOFER BOX SWITCH BLOCK, SELECTOR REAR DRIVER'S LEVER ASHTRAY DOOR ASG LIGHT SWITCH CONVERTIBLE TOP COVER LOCKED, RIGHT SWITCH, CONVERTIBLE TOP COMPART- MENT FLOOR SWITCH, CONVERTIBLE TOP COVER DRIVE SWITCH, CONVERTIBLE TOP COVER LOCKED, LEFT TAILLIGHT, RIGHT TELEMATIC CONTROL UNIT TELEMATICS CONTROL MODULE TRAILER MODULE TRAILER SOCKET TRANSCEIVER/ CHARGING ELECTRONICS TRUNK LID LAMP, LEFT TRUNK LID LAMP, RIGHT TRUNK LID STEERING RELEASE ANGLE SWITCH SENSOR (INTERIOR) UNDERHOOD GENERAL LIGHT MODULE SWITCH CONTROL SWITCHING UNIT CENTER UNIVERSAL CHARGING, HANDS-FREE FACILITY UNIVERSAL ELECTRONIC CHARGING, HANDS-FREE MODULE VIDEO MODULE CONTROL UNIT VOICE EJECT ANTENNA INPUT BOX SPLITTER VOICE EJECT INPUT BOX VOLUTE CONTROL SPRING MODULE, INTERIOR PROTECTION I W/ BM ON-BOARD MONITOR W/ SMG WAGON WAGON ONLY XENON HEADLIGHT, LEFT XENON HEADLIGHT, RIGHT

BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE DIRECTION INDICATOR/ LOW BEAM SWITCH FOG LIGHT RELAY (BEHIND GLOVE BOX) FUSE FUSE HOLDER (GLOVE BOX) GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE LEFT FOG LIGHT LEFT TRUNK LID LAMP RED WIRE RIGHT FOG LIGHT WHT WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRY WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DIRECTION INDICATOR/ LOW BEAM SWITCH FOG LIGHT RELAY (BEHIND GLOVE BOX) FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE GRN/BLU WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN AND START INSTRUMENT CLUSTER CONTROL MODULE LEFT FOG LIGHT LEFT HIGH BEAM LEFT XENON HEADLIGHT RED WIRE RIGHT FOG LIGHT RIGHT HIGH BEAM RIGHT XENON HEADLIGHT VIO WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE

2004-2006 COUPE, CONVERTIBLE 2004-2006 COUPE, CONVERTIBLE EXCEPT 2004-2006 COUPE, CONVERTIBLE BRN WIRE BRN/RED WIRE EXCEPT 2004-2006 COUPE, CONVERTIBLE FUSE HOLDER (GLOVE BOX) GRN WIRE HORN RELAY (BEHIND GLOVE BOX) HORN SWITCH HOT AT ALL TIMES HOT IN ACC, RUN OR START LEFT HORN NCA WIRE RED/YEL/WHT WIRE RIGHT HORN VIO WIRE VIO/BLK WIRE VIO/BLU WIRE VOLUTE SPRING

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 GND ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES, NAVIGATION SYSTEMS BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/BRN/YEL WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE FLUID LEVEL SWITCH (LEFT REAR ENG COMPT) BRN WIRE BRN/BLK WIRE BRN/BLK/WHT WIRE BRN/BLK/YEL WIRE BRN/GRN WIRE BRN/GRN/YEL WIRE BRN/VIO WIRE BRN/WHT WIRE CHIME MODULE (IN COVER OF LEFT FOOTWELL) COMPUTER DATA LINES SYSTEM FRONT LEFT BRAKE PAD SENSOR (FRONT LEFT WHEEL BRAKE) FRONT RIGHT BRAKE PAD SENSOR (FRONT RIGHT WHEEL BRAKE) FUSE HOLDER (GLOVE BOX) GRN WIRE GRN/BLU WIRE GRY WIRE GRY/BLK/YEL WIRE GRY/RED WIRE HAND BRAKE SWITCH (UNDER REAR CENTER CONSOLE) HOT AT ALL TIMES FUSE HOT IN ACC, RUN, START FUSE HOT IN RUN, START FUSE INSTRUMENT CLUSTER CONTROL MODULE K-BUS SIG LEFT FUEL TANK SENSOR SIG LEFT FUEL TANK SENSOR SIG GND NCA WIRE RED WIRE RED/YEL WIRE RED/YEL/WHT WIRE REVERSE SIG STEERING COLUMN SWITCH SIG SUPPLEMENTAL RESTRAINTS SYSTEM ANTI-LOCK BRAKES SYSTEM VIO WIRE VIO/YEL WIRE W/ PARK DISTANCE CONTROL ONLY WASHER FLUID LEVEL LOW SIG WHT WIRE WHT/RED/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN 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