BMW M3 E46 (1999-2006) brn/wht Wiring diagrams

1 2 3 4 LOCK/UNLOCK CONV TOP SIG GND FUSE 46, BATT LOCK/UNLOCK CONV TOP SIG BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CONVERTIBLE SOFT TOP CONTROL MODULE (LEFT REAR PASSENGER COMPT) COWL EXTEND RELEASE MAIN PILLAR SWITCH VALVE (IN CONVERTIBLE TOP COWL LEFT) COWL LOCKED SWITCH (IN CONVERTIBLE TOP COWL LEFT) DEFOGGER SYSTEM EXTEND TENSIONING BOW VALVE FUSE FUSE HOLDER (GLOVE BOX) GRN/WHT WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN, ACCY AND START INSTRUMENT CLUSTER CONTROL MODULE LIGHT SWITCHING CENTER CONTROL UNIT (LEFT SIDE OF INSTRUMENT PANEL) MAIN PILLAR POSITION SWITCH (LEFT REAR CONVERTIBLE LINKAGE) NCA WIRE RED WIRE RED/GRY WIRE RED/VIO WIRE RETRACT TENSIONING BOW VALVE SWITCH CENTER TENSIONING BOW POSITION SWITCH (LEFT REAR CONVERTIBLE LINKAGE) VIO WIRE VIO/BLU WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE WHT/RED/YEL WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE YEL/GRN 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 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/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/GRY/YEL WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE DOOR LOCKS SYSTEM FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES FUSE HOT IN ACCY, RUN AND START FUSE LIN-BUS DATA LINE ZV REMOTE ZV UNIT CENTRAL ARREST ZV UNIT UNLCK RED WIRE RED/BLU WIRE RED/VIO WIRE TRUNK, TAILGATE, FUEL DOORS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM VIO WIRE VIO/YEL WIRE W/O CONVERTIBLE TOP MODULE (2000-2002) (2003-2005) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED/YEL WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE ZV UNIT LCK ZV UNIT UNLCK ZV UNIT LCK TRUNK LID LOCK

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

A/T BLK WIRE BLK/GRN WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK/WHT WIRE BRN/BLK/YEL WIRE BRN/GRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DIGITAL MOTOR ELECTRONICS CONTROL UNIT (LEFT REAR OF ENG COMPT) ENGINE COOLANT LEVEL SWITCH (LOWER LEFT SIDE OF ENG) FUEL LEVEL SENSOR (UNDER LEFT SIDE OF REAR SEAT) FUSE HOLDER (GLOVE BOX) GENERATOR GRN WIRE GRN/BRN WIRE GRY WIRE GRY/BLU WIRE GRY/RED WIRE HOT IN ACC, RUN, START FUSE M/T NCA WIRE OIL LEVEL SENSOR (UNDERSIDE OF OIL PAN) OIL PRESSURE SWITCH (LEFT SIDE OF ENG, UNDER INTAKE PIPE) RED WIRE REVERSING LIGHT RELAY (LEFT REAR ENG COMPT) REVERSING LIGHT SWITCH (RIGHT SIDE OF TRANSMISSION) STARTER TEMPERATURE SENSOR (UNDER FRONT LEFT OF VEHICLE) WHT WIRE YEL WIRE YEL/BRN 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

1 2 3 LUMBAR SW - ADJUSTMENT SWITCHES BLK/VIO WIRE BLK/YEL WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT MEMORY CONTROL UNIT FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN/VIO WIRE GRN/YEL WIRE HOT AT ALL TIMES ILLUM INSTRUMENT CLUSTER CONTROL MODULE LUMBAR SW + PASSENGER'S SEAT BACKREST ADJUSTMENT MOTOR PASSENGER'S SEAT FORWARD/ BACKWARD ADJUSTMENT MOTOR PASSENGER'S SEAT HEIGHT ADJUSTMENT MOTOR PASSENGER'S SEAT MEMORY CONTROL UNIT PASSENGER'S SEAT TILT ADJUSTMENT MOTOR PROGRAM SWITCHES (3) RED/BRN WIRE SEAT FWD/BACK SEATS SYSTEM (LUMBAR CIRCUIT, IF EQUIPPED) SET SWITCH TERM 31 SEAT BACKREST VIO/GRY WIRE VIO/RED WIRE WHT/RED/YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE CENTRAL LOCKING DRIVE, GLOVE BOX (CONVERTIBLE ONLY) (IN GLOVE BOX) CENTRAL LOCKING DRIVE, TRUNK LID/TAILGATE (REAR LUGGAGE COMPT) COMPUTER DATA LINES SYSTEM COUPE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE HAZARD WARNING/ CENTRAL LOCKING SWITCH LIFT GATE LOCK SWITCH (RIGHT SIDE LUGGAGE COMPT LID) NCA WIRE RED WIRE SWITCH GLOVE BOX CENTRAL LOCKING (IN GLOVE BOX) TRUNK LID RELEASE SOLENOID SWITCH WHT WIRE WHT/BRN WIRE WHT/RED/YEL WIRE YEL WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 FUEL INJ RELAY AIR INJ VLV ICIS VALVE BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT POSITION SENSOR 1 (INLET) (ON FRONT OF ENGINE) CAMSHAFT POSITION SENSOR 2 (OUTLET) (RIGHT FRONT OF ENGINE) CHARACTERISTIC MAP COOLING THERMOSTAT (ON CYLINDER HEAD) CHARGING SYSTEM CRANKSHAFT POSITION SENSOR (LEFT SIDE OF ENGINE) CYL 1 CYL 2 CYL 3 CYL 4 CYL 5 CYL 6 DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) E-BOX (LEFT REAR OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE) EVAP VALVE CLOSE SIG OPEN SIG FUEL INJ 3 IAT SIG FUEL INJECTION VALVES FUEL INJECTORS RELAY FUSE GEN GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GROUND GROUND GROUND B+ VOLTAGE SUPPLY GRY/BLU WIRE GRY/BRN WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT FILM MASS AIR FLOW SENSOR (LEFT SIDE OF ENGINE COMPT) HOT IN RUN OR START FUSE HOLDER (GLOVE BOX) FUSE KNOCK SENSOR (REAR OF ENGINE) NCA WIRE OIL LEVEL SENSOR (UNDER OIL PAN) OIL PRESSURE SWITCH OIL TEMPERATURE SENSOR (FRONT OF ENGINE, UNDER INTAKE) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/WHT/YEL WIRE RED/YEL WIRE RETURN OIL LEVEL THROTTLE ACT THROTTLE ACT OIL TEMP OIL TEMP KNOCK SENS KNOCK SENS WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLU 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