BMW 3 series E90/E91/E92/E93 (2005-2010) (3 series: under right side of dash) Wiring diagrams

BLU/GRY WIRE BLU/YEL WIRE BRN WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) COMFORT ACCESS CONTROL MODULE (RIGHT SIDE OF REAR COMPT) COMPUTER DATA LINES SYSTEM DRIVER'S SIDE OUTER DOOR HANDLE ELECTRONIC MODULE FRONT INNER ANTENNA CENTER CONSOLE GRN WIRE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE ORG/GRN WIRE PASSENGER'S SIDE OUTER DOOR HANDLE ELECTRONIC MODULE REAR FENDER AERIAL REAR INNER ANTENNA LUGGAGE COMPARTMENT REAR INTERIOR ANTENNA CENTER CONSOLE RED WIRE RED/YEL WIRE SLIDE-IN COMPARTMENT START-STOP BUTTON WHT WIRE WHT/BLK WIRE WHT/GRN WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/BRN WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE COUPE, CONVERTIBLE WAGON, SEDAN FOG FRONT RIDE HEIGHT SENSOR (BEHIND LEFT FRONT WHEEL) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE LIGHT SWITCH UNIT PARK REAR RIDE HEIGHT SENSOR (FRONT OF RIGHT REAR WHEEL) RIGHT HEADLIGHT RIGHT INNER TAILLIGHT STEERING COLUMN SWITCH CLUSTER TURN VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

ANTENNA DIVERSITY BLK WIRE BLK/BLU WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/GRY/WHT WIRE BRN/GRY/YEL WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CENTRAL LOCKING DRIVE FUEL FILLER FLAP CENTRAL LOCKING DRIVE ODDMENTS COMPT (CONVERTIBLE) COMPUTER DATA LINES SYSTEM CONVE- RTIBLE COUPE, WAGON DRIVER'S DOOR SYSTEM LOCK (LEFT FRONT DOOR) ELECTROCHROMIC INTERIOR REAR VIEW MIRROR FBD RECEIVER FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE GLOVE COMPT CENTRAL LOCKING DRIVE UNIT (CONVERTIBLE) GRN WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HAZARD WARNING SWITCH HOOD CONTACT SWITCH (LEFT REAR OF ENGINE COMPT) HOT AT ALL TIMES HOTEL SWITCH JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ECU NCA WIRE ORG/GRN WIRE PASSENGER'S DOOR SYSTEM LOCK (3 SERIES: RIGHT FRONT DOOR) REAR WINDOW BUTTON REMOTE CONTROL RECEIVER TRUNK LID BUTTON VIO/GRN WIRE WAGON WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 GND 1 2 3 4 5 6 7 8 9 10 11 12 GND CAN BUS SIG CAN BUS SIG 1 SERIES 3 SERIES 3 SERIES W/ CONVERTIBLE 3 SERIES W/O CONVERTIBLE, 1 SERIES A/C COMPRESSOR CONTROL VALVE AUTOMATIC AIR RECIRCULATION SENSOR (RIGHT REAR OF ENG COMPT) AUXILIARY WATER PUMP (LEFT REAR OF ENGINE COMPT) BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLOWER OUTPUT STAGE BLOWER SIG SENS GRD BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CENTER CONSOLE SWITCH CENTER COMPUTER DATA LINES SYSTEM CONDENSATION SENSOR (CENTER OF WINDSHIELD) COOLANT PRESSURE SENSOR (RIGHT FRONT OF ENGINE COMPT) ELECTRONICS JUNCTION BOX EVAPORATOR TEMPERATURE SENSOR (CENTER OF DASH) FOOTWELL TEMPERATURE SENSOR (CENTER OF DASH) FUSE GRN WIRE GRN/RED WIRE HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) HOT W/ HOT W/ DME RELAY ENERGIZED HOT W/ TERMINAL 15 15 RELAY ENERGIZED INDEPENDENT HEATING CIRCUIT MIXING AIR CONTROL NCA WIRE ORG/ WIRE ORG/GRN WIRE REAR COMPARTMENT FRESH AIR GRILL (3 SERIES) RED WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED ROOF FUNCTION CONTROL CENTER SENS GND SENS SIG SENS SPLY SIDE OF DASH) SOLAR SENSOR (TOP CENTER OF DASH) VENTILATION TEMPERATURE SENSOR (CENTER OF DASH) WATER VALVE (LEFT SIDE OF AUXILIARY WATER PUMP) WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE

2 3 4 ELECTRIC FAN 400 WATT ELECTRIC FAN 600 WATT 4 17 26 SENS SIG SENS GND BSD SIG 8 9 6 19 1 14 ELEC FAN ?? SENS SIG SENS SIG CAN LOW CAN HIGH BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CONVERTIBLE TOP MODULE (1 SERIES) DEFROSTER FLAP MOTOR (BEHIND RIGHT SIDE OF DASH) DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ELECTRIC FAN CUT OUT RELAY ENGINE COOLANT TEMPERATURE SENSOR ENGINE ELECTRONICS FUSE CARRIER FOOTWELL FLAP MOTOR (CENTER OF DASH, ABOVE RADIO) FRESH AIR/ RECIRCULATED AIR FLAP MOTOR (BEHIND RIGHT SIDE OF DASH) FRONT MIXING FLAP MOTOR (3 SERIES) (LEFT SIDE OF DASH) FUSE GRN WIRE HOT AT ALL TIMES HOT W/ DME RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT MIXED AIR FLAP MOTOR (CENTER OF DASH, ABOVE RADIO) ORG/ WIRE ORG/GRN WIRE RADIATOR OUTLET TEMPERATURE SENSOR RADIATOR SHUTTER DRIVE UNIT RADIATOR SHUTTER SOLENOID REAR COMPARTMENT MIXING AIR FLAP MOTOR (3 SERIES) (UNDER RIGHT SIDE OF DASH) RED WIRE RED/BLU WIRE RED/GRN WIRE RIGHT MIXED AIR FLAP MOTOR (CENTER OF DASH, ABOVE RADIO) VENTILATION FLAP MOTOR VIO WIRE WHT/RED WIRE YEL/RED WIRE YEL/WHT WIRE

1 14 8 9 6 19 CAN LOW CAN HI ELEC FAN 2 3 4 ELECTRIC FAN 400 WATT ELECTRIC FAN 600 WATT 4 17 26 SENS SIG SENS GRD BSD SIG BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/RED WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ELECTRIC COOLANT PUMP (REAR OF ENGINE) ELECTRIC FAN (FRONT OF ENGINE COMPT) ELECTRIC FAN CUT OUT RELAY ENERGIZED JUNCTION BOX FUSE (UNDER RIGHT SIDE OF DASH) ENGINE COOLANT TEMPERATURE SENSOR (REAR OF ENGINE) FUSE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ELECTRONICS FUSE CARRIER HOT W/ DME RELAY ENERGIZED HOT W/ TERMINAL ORG/ WIRE RADIATOR OUTLET TEMPERATURE SENSOR (3 SERIES) (RIGHT SIDE OF ENGINE) RADIATOR SHUTTER DRIVE UNIT RADIATOR SHUTTER SOLENOID RED WIRE RED/BLU WIRE RED/GRN WIRE SENS SIG SENS SIG VIO WIRE WHT/RED WIRE YEL/RED WIRE YEL/WHT WIRE

ANTENNA DIVERSITY BLK WIRE BLK/BLU WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/GRY/WHT WIRE BRN/GRY/YEL WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CENTRAL LOCKING DRIVE FUEL FILLER FLAP CENTRAL LOCKING DRIVE ODDMENTS COMPT (CONVERTIBLE) COMPUTER DATA LINES SYSTEM CONVE- RTIBLE COUPE, WAGON DRIVER'S DOOR SYSTEM LOCK (LEFT FRONT DOOR) ELECTROCHROMIC INTERIOR REAR VIEW MIRROR FBD RECEIVER FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE GLOVE COMPT CENTRAL LOCKING DRIVE UNIT (CONVERTIBLE) GRN WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HAZARD WARNING SWITCH HOOD CONTACT SWITCH (LEFT REAR OF ENGINE COMPT) HOT AT ALL TIMES HOTEL SWITCH JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ECU NCA WIRE ORG/GRN WIRE PASSENGER'S DOOR SYSTEM LOCK (3 SERIES: RIGHT FRONT DOOR) REAR WINDOW BUTTON REMOTE CONTROL RECEIVER TRUNK LID BUTTON VIO/GRN WIRE WAGON WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE

3 SERIES W/ COUPE BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DRIVER'S SEAT BELT POSITIONER CONTROLLER DRIVER'S SWITCH CLUSTER DRIVER'S WINDOW MOTOR (LEFT FRONT DOOR) FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FRONT PASSENGER'S SEAT BELT POSITIONER CONTROLLER GRN WIRE GRN/WHT WIRE GROUND GROUND TRANSDUCER 2 TRANSDUCER 2 TRANSDUCER 1 GRY WIRE GRY/BLU WIRE ORG/ WIRE ORG/GRN WIRE PASSENGER'S POWER WINDOW SWITCH PASSENGER'S WINDOW MOTOR (RIGHT FRONT DOOR) RED WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE SIGNAL SIGNAL TERMINAL 30 SIG LIN BUS K-BUS SIGNAL K-BUS SIGNAL GROUND 23 45 46 47 TRANSDUCER 1 TRANSDUCER GND TRANSDUCER GND VIO WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE

BLK WIRE BLU WIRE BRN WIRE COUPE CONVERTIBLE ELECTRONICS JUNCTION BOX FUSE FUSE 50 GRN WIRE GRY WIRE HEADLIGHT WASHER PUMP HEADLIGHT WASHER RELAY HOT AT ALL TIMES HOT AT ALL TIMES REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) FUSE HOT W/ TERMINAL 15 RELAY ENERGIZED LEFT HEATED WASHER NOZZLE NCA WIRE OUTSIDE TEMPERATURE SENSOR (FRONT CENTER OF BUMPER) RAIN/HEADLIGHT SENSOR (CENTER OF WINDSHIELD) RED WIRE RIGHT HEATED WASHER NOZZLE ROOF FUNCTION CONTROL CENTER VIO WIRE WHT WIRE WIND- SHIELD WASHER PUMP WIPER MOTOR WIPER RELAY 1 WIPER RELAY 2

BLK WIRE BLU WIRE BRN WIRE ELECTRONICS JUNCTION BOX FUSE FUSE 1 GRN WIRE GRY WIRE HEADLIGHT WASHER PUMP (BEHIND RIGHT FRONT WHEEL) HEADLIGHT WASHER RELAY HOT AT ALL TIMES HOT AT ALL TIMES REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) FUSE HOT W/ TERMINAL 15 RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT HEATED WASHER NOZZLE NCA WIRE OUTSIDE TEMPERATURE SENSOR (FRONT CENTER OF BUMPER) RAIN/HEADLIGHT SENSOR (CENTER OF WINDSHIELD) REAR INTERMITTENT WIPE/WASH CONTROL MODULE REAR WIPER RELAY RED WIRE RIGHT HEATED WASHER NOZZLE ROOF FUNCTION CONTROL CENTER VIO WIRE WHT WIRE WIND- SHIELD WASHER PUMP (BEHIND RIGHT FRONT WHEEL) WIPER MOTOR WIPER RELAY 1 WIPER RELAY 2