BMW 3 series E46 facelift (2001-2006) brn Wiring diagrams

1 2 3 4 5 6 7 8 9 IGNITION BATTERY BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BRAKELIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) BRN WIRE BRN/BLK WIRE CUT-OFF START SIG SHIFT LOCK SUPPLY BRAKE LIGHT FUSE FUSE HOLDER (GLOVE BOX) FUSE GEAR INDICATOR LIGHT GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN WIRE GRN/BRN WIRE GRN/RED WIRE GROUND GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT AT ALL TIMES B+ POTENTIAL DISTRIBUTOR HOT IN ACC, RUN OR START HOT IN RUN OR START IGNITION SWITCH KEY-IN SWITCH IMMOBILIZER LIGHT SWITCHING CENTER CONTROL UNIT NCA WIRE OBD SOCKET (LEFT FOOTWELL) PROGRAM BUTTON RED WIRE RED/GRN WIRE RED/YEL WIRE SELECT LEVER SELECT LEVER PROGRAM SW PROGRAM SW SELECTOR LEVER ASG SEQUENTIAL MANUAL GEARBOX (SMG) CONTROL MODULE (LEFT REAR OF ENGINE COMPT) SHIFT LOCK SELECTOR LEVER LOCK (UNDER CENTER CONSOLE) VOLUTE SPRING ST WHL CTRLS SELECT LEVER SELECT LEVER SELECT LEVER ENG SPD SIG STEERING WHEEL SWITCHES VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK WIRE BLU WIRE BRK SOL V SUPPLY SHIFT SENS HYD PRESS BRN WIRE BRN/BLK WIRE CAN-H- CAN-L- CAN-L CAN-H CLUTCH POS RETURN GROUND CLUTCH POS SELECT ANGLE CLUTCH POS CLUTCH POSITION SENSOR (LEFT SIDE OF TRANS) CLUTCH SOLENOID VALVE COMPUTER DATA LINES SYSTEM DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) E-BOX (LEFT REAR OF ENGINE COMPT) FUSE GEAR 1 SOL CLUTCH SOL GEAR 1 SOLENOID VALVE GEAR 2 SOL IGNITION GEAR 2 SOLENOID VALVE BRAKES SOLENOID VALVE GEARSHIFT SENSOR (TOP OF TRANS) GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE HOT AT ALL TIMES HYDRAULIC PUMP HYDRAULIC PUMP RELAY (LEFT REAR OF ENGINE COMPT) PUMP RELAY RED WIRE RED/WHT WIRE RPM SENS RPM SENS RPM SENSOR (TRANS MAIN SHAFT) SELECTOR ANGLE SENSOR (TOP OF TRANS) SEQUENTIAL MANUAL GEARBOX (SMG) CONTROL MODULE (LEFT REAR OF ENGINE COMPT) TXD WHT WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

1 2 SHIFT LOCK SHIFT LOCK 1 4 5 6 7 8 9 IGN GROUND GROUND GROUND BATTERY + SUPPLY + SUPPLY 28 24 BRAKE LIGHT BRAKE LIGHT 3 4 6 CAN (-) CAN (+) DIAG TXD 31 34 24 14 4 TRP SENS TRP SENS TRP SENS TRP SENS TRP SENS AUTOMATIC TRANSMISSION RANGE SWITCH 0 OFF 1 ON BLK WIRE BLK/VIO WIRE BLU WIRE BLU/RED WIRE BRAKELIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) BRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/VIO WIRE DIAG TXD CAN (+) CAN (-) 36 37 DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) E-BOX (LEFT REAR OF ENGINE COMPT) FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE GRN/BRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES B+ POTENTIAL DISTRIBUTOR HOT IN ACC, RUN OR START HOT IN RUN, START NCA WIRE ORG/ WIRE RED WIRE RED/WHT WIRE SHIFT LOCK SELECTOR LEVER LOCK (UNDER CENTER CONSOLE) TRANSMISSION CONTROL UNIT (LEFT REAR OF ENGINE COMPT) TRANSMISSION RANGE POSITION SWITCH (RIGHT SIDE OF TRANSMISSION) VIO WIRE WHT WIRE WHT/VIO WIRE YEL WIRE

7 1 5 BATTERY IGNITION GROUND BLK/VIO WIRE BLU WIRE BLU/RED WIRE BRAKELIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) BRN WIRE FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE GRN/BRN WIRE HOT AT ALL TIMES B+ POTENTIAL DISTRIBUTOR HOT IN ACC, RUN OR START HOT IN RUN OR START POS SPORT RED WIRE SELECTOR LEVER ASG SEQUENTIAL MANUAL GEARBOX (SMG) CONTROL MODULE (LEFT REAR OF ENGINE COMPT) SHIFT LOCK SELECTOR LEVER LOCK (UNDER CENTER CONSOLE) VIO WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE

AIR BAG INDICATOR BATTERY SAFETY TERMINAL GENERATOR BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/VIO/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/VIO WIRE COIL SPRING COMPUTER DATA LINE SYSTEM DRIVER'S AIRBAG INFLATOR ASSEMBLY DRIVER'S BELT TENSIONER (RIGHT SIDE OF DRIVER'S SEAT) DRIVER'S DOOR SIDE AIRBAG INFLATOR ASSEMBLY DRIVER'S HEAD AREA AIRBAG INFLATOR ASSEMBLY DRIVER'S SEAT BELT BUCKLE HALL-EFFECT SENSOR DRIVER'S SIDE IMPACT SENSOR FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE GRN/BLU WIRE GRY/BLK WIRE GRY/BRN WIRE HOT IN ACCY, RUN, START HOT IN RUN, START INSTRUMENT CLUSTER CONTROL MODULE LEFT REAR DOOR SIDE AIRBAG INFLATOR ASSEMBLY MULTIPLE RESTRAINT SYSTEM CONTROL UNIT (UNDER CENTER CONSOLE) NCA WIRE PASSENGER'S AIRBAG INFLATOR ASSEMBLY PASSENGER'S BELT TENSIONER (LEFT SIDE OF PASSENGER'S SEAT) PASSENGER'S DOOR SIDE AIRBAG INFLATOR ASSEMBLY PASSENGER'S HEAD AREA AIRBAG INFLATOR ASSEMBLY PASSENGER'S SEAT BELT BUCKLE HALL-EFFECT SENSOR PASSENGER'S SIDE IMPACT SENSOR RED WIRE RIGHT REAR DOOR SIDE AIRBAG INFLATOR ASSEMBLY SEAT MAT SEAT OCCUPANCY DETECTOR (UNDER RIGHT FRONT SEAT) VIO WIRE VIO/BLU WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/RED WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE

B+ POTENTIAL DISTRIBUTOR BLK WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BRAKE LIGHT SWITCH (NEAR STEERING COLUMN) BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/WHT WIRE CLUTCH SWITCH MODULE (M/T) (CLUTCH PEDAL) COMPUTER DATA LINES SYSTEM DIGITAL MOTOR ELECTRONICS CONTROL UNIT (LEFT REAR OF ENGINE COMPT) DME RELAY E BOX (LEFT REAR OF ENGINE COMPT) FUSE E-BOX (LEFT REAR OF ENGINE COMPT) FUSE FUSE FUSE GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRY WIRE HEATED OXYGEN SENSOR 2 IN FRONT OF CATALYTIC CONVERTER HEATED VANOS OXYGEN OUTLET SENSOR 2 VALVE BEHIND CATALYTIC CONVERTER HOT AT ALL TIMES HOT IN ACCY, RUN OR START FUSE HOLDER (GLOVE BOX) FUSE IDLE SPEED CONTROL VALVE INDIVIDUAL CONTROL INTAKE SYSTEM VALVE N/A NCA WIRE ORG/ WIRE RED WIRE RED/WHT WIRE RED/WHT/YEL WIRE SECONDARY AIR INJECTION PUMP VALVE VANOS EVAPORATIVE INLET EMISSION VALVE VALVE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM E-BOX (LEFT REAR OF ENGINE COMPT) EXHAUST FLAP VALVE FUEL LEVEL SENSOR (RIGHT REAR LUGGAGE COMPT) FUEL PUMP CONTROL (EKPS) FUSE FUSE FUSE GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN OR START FUSE HOLDER (GLOVE BOX) FUSE IGNITION COILS INSTRUMENT CONTROL MODULE OBD SOCKET OUTLET (LEFT FOOTWELL) ANTI-THEFT SYSTEM RED WIRE RED/VIO WIRE RED/WHT WIRE SECONDARY AIR INJECTION PUMP (RIGHT SIDE OF ENGINE COMPT) SECONDARY AIR PUMP RELAY 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 (PINS 8-12: NOT USED) 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 ACTIVATE RELAY BLK WIRE BLK/VIO WIRE BRN 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) CAMSHFT SIG CAN-BUS CAN-BUS CRANKSHAFT POSITION SENSOR (LEFT SIDE OF ENGINE) CYL 1-3 CYL 4-6 DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) DME RELAY E-BOX (LEFT REAR OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE, UNDER INTAKE) FUEL PUMP (IN FUEL TANK) FUSE FUSE FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE GROUND GROUND GROUND GROUND VOLTAGE SUPPLY VOLTAGE SUPPLY GROUND GROUND TP SIG GROUND GROUND TEMP SIG GROUND GRY WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES B+ POTENTIAL DISTRIBUTOR INTAKE AIR TEMPERATURE SENSOR (TOP CENTER OF ENGINE) KNOCK SENSOR (REAR OF ENGINE) NCA WIRE OIL TEMPERATURE SENSOR (FRONT OF ENGINE, UNDER INTAKE) PARTIAL RED WIRE RED/BLU WIRE RED/VIO WIRE RED/WHT WIRE RED/WHT/YEL WIRE SENSOR SIG SENSOR SIG SENSOR SIG SIG GROUND SIG GROUND SIG GROUND SIG GROUND ACTIVATE RELAY TEMP SIG GROUND TEMP SIG GROUND CYL 1-3 KS CYL 1-3 KS TP SIG VOLTAGE SUPPLY CRNKSHFT SIG WHT WIRE WHT/BLU WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

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/GRN WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CYL 1 CYL 2 CYL 3 CYL 4 CYL 5 CYL 6 E-BOX (LEFT REAR OF ENGINE COMPT) EVAPORATIVE EMISSION VALVE (ON LEFT FRONT OF ENGINE) FUEL INJECTION VALVES FUEL INJECTORS RELAY FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE GRN/BLU WIRE GRN/VIO WIRE GRY WIRE GRY/BRN WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, OR START IDLE SPEED CONTROL VALVE (LEFT SIDE OF ENGINE) INDIVIDUAL CONTROL INTAKE SYSTEM VALVE (LEFT SIDE OF ENGINE COMPARTMENT) NCA 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/WHT WIRE RED/WHT/YEL WIRE RED/YEL WIRE SECONDARY AIR PUMP VALVE (LEFT REAR OF ENGINE) VIO WIRE VIO/YEL WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 IGN COIL 1 SIG IGN COIL 2 SIG IGN COIL 3 SIG ABS SYSTEM ACTIVATE RELAY FAN AIR CONDITIONING RELAY ANTI-THEFT SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/RED WIRE BRAKE SIG ACTIVATE RELAY TANK LEAKAGE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/VIO WIRE BRN/WHT WIRE CAN BUS (+) CAN BUS (-) COOL OUT TEMP COOL OUT TEMP COMPUTER DATA LINES SYSTEM COOLANT OUTLET TEMPERATURE SENSOR COOLING FANS SYSTEM 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) EXHAUST FLAP VALVE (LEFT REAR OF LUGGAGE COMPT) FUSE FUSE HOLDER (GLOVE BOX) GRN WIRE GRN/BLK VIO) WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/VIO WIRE GROUND IGN COIL 5 SIG IGN COIL 6 SIG GROUND PED POS 1 SIG GROUND PED POS 2 SIG GRY/BRN WIRE GRY/VIO WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR START IGN COIL 4 SIG IGNITION COILS (TOP RIGHT SIDE OF ENGINE) NCA WIRE OBD SOCKET (LEFT FOOTWELL) RED WIRE RED/WHT WIRE RPM SIG EXH FLAP RR SPEED SIG CLUTCH SIG BRAKE SIG SECONDARY AIR INJECTION PUMP SECONDARY AIR PUMP RELAY TANK LEAKAGE TANK LEAKAGE ACTIVATE VALVE TERMINAL 15 TXD DIAG SIG DRV AWY PROT VOLTAGE SUPPLY VOLTAGE SUPPLY ACTIVATE RELAY WHT WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE