BMW M3 E46 (1999-2006) digital motor electronics (dme) control unit (left rear of engine compt) Wiring diagrams

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

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

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

1 2 3 4 5 6 7 8 9 IGN COIL 5 SIG ABS SYSTEM AIR CONDITIONING RELAY ANTI-THEFT SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/RED/WHT WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE CAN H CAN L COOL OUT TEMP COOL OUT TEMP COMPUTER DATA LINES SYSTEM COOLANT OUTLET TEMPERATURE SENSOR COOLING FANS SYSTEM CRUISE CONTROL DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) E-BOX (LEFT REAR OF ENGINE COMPT) E-BOX FAN EXHAUST FLAP VALVE (LEFT REAR OF LUGGAGE COMPT) FUSE GRN/BLK WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT IN RUN OR START FUSE HOLDER (GLOVE BOX) FUSE IGNITION COILS (TOP RIGHT SIDE OF ENGINE) OBD SOCKET (LEFT FOOTWELL) RED WIRE RED/WHT WIRE RETURN PED POS 1 SIG RETURN PED POS 2 SIG RPM SIG EXH FLAP E-BOX FAN TANK LEAKAGE RR SPEED SIG CLUTCH SIG BRAKE SIG SECONDARY AIR HOT-FILM AIR MASS METER SECONDARY AIR INJECTION PUMP SECONDARY AIR PUMP RELAY TANK LEAKAGE AIR PUMP RELAY FAN TERMINAL 15 STR WHL CTRLS BRAKE SIG A/C RELAY TANK LEAKAGE TXD DIAG SIG DRV AWY PROT VOLTAGE SUPPLY VOLTAGE SUPPLY FUEL PUMP RLY WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE