BMW 3 series E46 (1998-2003) Wiring diagram engine performance 2.5l

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