BMW 3 series E90/E91/E92/E93 (2005-2010) brn Wiring diagrams

A/T ACTIVE BODYWORKS SYSTEM ANTENNA DIVERSITY (COUPE, WAGON) ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/GRY WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CLUTCH SWITCH MODULE (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CRASH SAFETY MODULE CRUISE CONTROL SYSTEM DC/DC CONVERTER DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) ELECTRIC STEERING LOCK EXCEPT CONVERTIBLE FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BRN WIRE HOOD CONTACT SWITCH (LEFT REAR OF ENGINE COMPT) HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) FUSE M/T MULTIPLE RESTRAINT SYSTEM CONTROL UNIT NCA WIRE ORG/GRN WIRE RED WIRE RED/BLU WIRE RED/YEL WIRE RELAY REMOTE CONTROL RECEIVER SEAT OCCUPANCY RECOGNITION STARTING/CHARGING SYSTEM TCU TELE SIG LID CONTACT REAR LID SIG TERM 15 SIG TERM 15 SIG TERM R SIG TERM R SIG TERM R TERM R SIG TERMINAL TERMINAL 15 RELAY TOWING HITCH INTERLCK SENS GROUND TERM 15 SIG TERM 15 SIG TRANS SIG TRANSMISSION CONTROL MODULE TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

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 BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CENTRAL LOCKING DRIVE, TRUNK LID CONVERTIBLE TOP MODULE (CONVERTIBLE) GRN/BLK WIRE RED WIRE RED/BLK WIRE RELAY ENERGIZED JUNCTION FUSE 24 BOX (UNDER RIGHT SIDE OF DASH) RIGHT LUGGAGE COMPTARTMENT LIGHT TOWING HITCH RELEASE TOWING HITCH RELEASE BUTTON TOWING HITCH RELEASE DRIVE UNIT (REAR OF VEHICLE) TRAILER MODULE (RIGHT SIDE OF REAR COMPT) WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL/GRN WIRE

ACTIVE STEERING (IF EQUIPPED) (BEHIND LEFT FRONT WHEEL) BLK WIRE BLU WIRE BLU/BRN/YEL WIRE BLU/RED WIRE BLU/VIO WIRE BRAKE FLUID LEVEL SWITCH (LEFT REAR OF ENGINE COMPT) BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRK FLD LVL RF WHL SPD BRN WIRE BRN/BLK WIRE BRN/GRN/YEL WIRE BRN/RED WIRE BRN/WHT WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINE SYSTEM DIGITAL MOTOR ELECTRONICS CONTROL UNIT DSC SENSOR (LEFT FRONT FOOTWELL) DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) FUSE GRN/RED WIRE GROUND F-CAN-LOW HAZARD WARNING SWITCH HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT FRONT WHEEL SPEED SENSOR (FRONT OF LEFT FRONT WHEEL) LEFT REAR WHEEL SPEED SENSOR (BEHIND LEFT REAR WHEEL) NCA WIRE PARKING BRAKE WARNING SWITCH POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RELAY ENERGIZED RF WHL SPD RR WHL SPD LR WHL SPD LF WHL SPD LF WHL SPD RIGHT FRONT WHEEL SPEED SENSOR (FRONT OF RIGHT FRONT WHEEL) RIGHT REAR WHEEL SPEED SENSOR (BEHIND RIGHT REAR WHEEL) RR BRK PAD RR WHL SPD SEN GROUND STEERING COLUMN SWITCH CLUSTER STEERING GEAR (W/ ACTIVE STEERING) TELEPHONE TRANSCEIVER (CENTER OF REAR COMPT) TERMINAL 15 COND WEL SPD PT CAN HIGH GROUND TERMINAL 30 VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

ACTIVE STEERING (IF EQUIPPED) (BEHIND LEFT FRONT WHEEL) BLK WIRE BLK/RED/WHT WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/ WHT WIRE BLU/BRN/YEL WIRE BLU/GRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT/YEL WIRE BRAKE FLUID LEVEL SWITCH (LEFT REAR OF ENGINE COMPT) BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRK FLD LVL BRK LIGHT LF BRK PAD BRN WIRE BRN/BLK WIRE BRN/GRN/YEL WIRE BRN/RED WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CENTER CONSOLE SWITCH CLUSTER COMPUTER DATA LINE SYSTEM COND WHL SPD F-CAN-LOW DSC SENS DME CONTROL UNIT DSC SENSOR (LEFT FRONT FOOTWELL) DSC SENSOR 2 (W/ AL ACTIVE FRONT STEERING) DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) F-CAN HIGH RF WHL OUT FUSE GRN/RED WIRE HAZARD WARNING SWITCH HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT FRONT SPEED SENSOR (FRONT OF LEFT FRONT WHEEL) LEFT REAR SPEED SENSOR (BEHIND LEFT REAR WHEEL) LF WHL OUT PT CAN LOW GROUND LF WHL SPD LF WHL SPD GROUND LR WHL SPD LR WHL SPD PARKING BRK DSC SENS RR BRK PAD NCA WIRE PARKING BRAKE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT SPEED SENSOR (FRONT OF RIGHT FRONT WHEEL) RIGHT REAR SPEED SENSOR (BEHIND RIGHT REAR WHEEL) RR BRK PAD RR WHL OUT RF BRK PAD RR WHL SPD RR WHL SPD STEERING COLUMN SWITCH CLUSTER STEERING GEAR (W/ ACTIVE STEERING) TELEPHONE TRANSCEIVER (CENTER OF REAR COMPT) TERMINAL 15 PT CAN HIGH TERMINAL 30 RF WHL SPD RF WHL SPD VIO/WHT WIRE W/ NAVIGATION (NOT USED) W/O NAVIGATION WARNING SWITCH (UNDER CENTER CONSOLE) WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE YEL/VIO 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

BLK WIRE BLK/RED WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER ROOF FUNCTION CONTROL COUPE, WAGON COUPE, WAGON CONVERTIBLE DRIVER'S REAR SIDE SYSTEM LOCK (WAGON) (LEFT REAR DOOR) GRN WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES FUSE INTERIOR MOVEMENT DETECTOR JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE ORG/GRN WIRE PASSENGER'S REAR SIDE SYSTEM LOCK (WAGON) (RIGHT REAR DOOR) REAR LID RELEASE SWITCH (INTERIOR) REAR WINDOW LOCK (WAGON) (REAR COMPT DOOR) RED/BLK WIRE RED/BRN WIRE SIREN, TILT ALARM SENSOR WHT 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

3.0L 3.0L TWIN TURBO AUXILIARY HEATED SWITCHOVER VALVE BLK WIRE BRN WIRE BRN/RED WIRE ELECTRONICS JUNCTION BOX FUSE HEATER HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) INDEPENDENT AUXILIARY HEATER CONTROL MODULE (LEFT SIDE OF FRONT BUMPER) METERING PUMP (UNDER VEHICLE) NCA WIRE RED/GRN WIRE RED/GRY WIRE RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT SIDE OF DASH) WHT/BLU WIRE YEL/BRN WIRE