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

1 2 3 4 5 6 STEERING SIG STEERING SIG STEERING SIG ACTIVE STEERING (BEHIND LEFT FRONT WHEEL) BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE CAN-BUS CAN-BUS COMPUTER DATA LINES SYSTEM ECO VALVE (UNDER STARTER) ECO VLV SIG SOL VLV ELECTRIC LOCK (UNDER VEHICLE) FUSE 45 SIDE OF DASH) JUNCTION BOX (UNDER RIGHT NCA WIRE RED WIRE RED/BRN WIRE RED/GRN WIRE RELAY ENERGIZED STEERING GEAR SUPPY STEERING GND VIO/GRN WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BRN 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

ANTI- THEFT ALARM LED BLK/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COUPE, WAGON DRIVER'S DOOR MICROWAVE SENSOR ELECTROCHROMIC INTERIOR REAR VIEW MIRROR GRN WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES FUSE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT REAR LID LOCK SWITCH LEFT REAR MICROWAVE SENSOR ORG/GRN WIRE PASSENGER'S DOOR MICROWAVE SENSOR RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RIGHT REAR LID LOCK SWITCH (CONVERTIBLE) RIGHT REAR MICROWAVE SENSOR (3 SERIES) TRUNK LID CENTRAL LOCKING DRIVE (CONVERTIBLE) (ON REAR COMPT DOOR) TRUNK LID CENTRAL LOCKING DRIVE (COUPE, WAGON) (ON REAR COMPT DOOR) WHT/GRN 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

2 2 5 COUPE WAGON, SEDAN CONVERTIBLE BACKUP LIGHT SWITCH (M/T) (REAR OF TRANSMISSION) BLK/BLU WIRE BLK/VIO WIRE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM CONVERTIBLE WAGON, SEDAN COUPE FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE GRN WIRE GRY/VIO WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) ORG/GRN WIRE RED WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE REVERSE RIGHT INNER TAILLIGHT (WAGON, SEDAN) RIGHT TAILLIGHT (COUPE, CONVERTIBLE) WAGON SEDAN WAGON, SEDAN COUPE, CONVERTIBLE 3 2

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE LIGHT BRN/BLK WIRE BRN/BLU WIRE BRN/YEL WIRE EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/WHT WIRE GRY/YEL WIRE HAZARD SW SIG LED AUTO HI BEAM HAZARD FLASHER SW SIG HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEIGHT CTRL SIG HOT AT ALL TIMES INTERIOR LIGHTS JUNCTION BOX (UNDER RIGHT SIDE OF DASH) ORG/GRN WIRE REAR FOG LIGHT SIG FOG LIGHT SIG HIGH BEAM SW SIG RED WIRE RED/BLU WIRE RED/GRN WIRE SW LIGHTING SIG TERMINAL 30 FOG LIGHT SIG HI BEAM SIG BRAKE LGHT SIG LOW BEAM SIG WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE YEL/VIO 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

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/RED WIRE BRN WIRE BRN/RED WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DYNAMIC STABILITY CONTROL (DSC) (W/O BOSCH) (LEFT REAR OF EDC ELECTRONIC DAMPER CONTROL ENGINE COMPT) FUSE GRN WIRE HOT AT ALL TIMES HOT W/ JUNCTION BOX LEFT FRONT ACCELERATION SENSOR LEFT FRONT DAMPER VALVE LEFT REAR DAMPER VALVE NCA WIRE REAR COMPT) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT ACCELERATION SENSOR RIGHT FRONT DAMPER VALVE RIGHT REAR ACCELERATION SENSOR RIGHT REAR DAMPER VALVE TELEPHONE TRANSCEIVER (CENTER OF W/O NAVIGATION WHEEL SPD, SIG LF WHEEL SPD, SIG RF WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/BLU 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