BMW 3 series E90/E91/E92/E93 (2005-2010) electronics junction box Wiring diagrams

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

BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S DOOR ENTRANCE LIGHT ELECTRONICS JUNCTION BOX FRONT INTERIOR LIGHT FUSE 41 FUSE 62 FUSE 7 FUSE 77 FUSE 84 FUSE 86 FUSE 81 GLOVE COMPARTMENT LIGHT GRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT IN ON OR START JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT MAKE UP MIRROR SWITCH LEFT FRONT MAKE- UP MIRROR LIGHT LEFT LUGGAGE COMPARTMENT LIGHT ORG/GRN WIRE PASSENGER'S DOOR ENTRANCE LIGHT RED WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT MAKE UP MIRROR SWITCH RIGHT FRONT MAKE- UP MIRROR LIGHT RIGHT LUGGAGE COMPARTMENT LIGHT ROOF FUNCTION CONTROL CENTER TRUNK LID CENTRAL LOCKING DRIVE (ON REAR COMPT DOOR) VIO WIRE VIO/BRN WIRE WHT WIRE WHT/BRN WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S DOOR ENTRANCE LIGHT ELECTRONICS JUNCTION BOX FRONT INTERIOR LIGHT FUSE 25 FUSE 41 FUSE 62 FUSE 7 FUSE 77 FUSE 84 FUSE 86 FUSE 81 GLOVE COMPARTMENT LIGHT GRN WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START HOT W/ TERM INTERIOR LIGHTS JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT MAKE UP MIRROR SWITCH LEFT FRONT MAKE- UP MIRROR LIGHT MAP READING LIGHT ORG/GRN WIRE PASSENGER'S DOOR ENTRANCE LIGHT REAR DRIVER'S SIDE DOOR ENTRANCE LIGHT (SEDAN) REAR INTERIOR LIGHT REAR PASSENGER'S SIDE DOOR ENTRANCE LIGHT (SEDAN) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT MAKE UP MIRROR SWITCH RIGHT FRONT MAKE- UP MIRROR LIGHT RIGHT LUGGAGE COMPARTMENT LIGHT ROOF FUNCTION CONTROL CENTER TOP LIGHT TOWING HITCH RELEASE (SEDAN) TRUNK LID CENTRAL LOCKING DRIVE (ON REAR COMPT DOOR) VIO WIRE VIO/BRN WIRE WHT WIRE YEL WIRE

BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONICS JUNCTION BOX FRONT INTERIOR LIGHT FUSE 25 FUSE 41 FUSE 62 FUSE 7 FUSE 77 FUSE 84 FUSE 86 FUSE 81 GLOVE COMPARTMENT LIGHT GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN AND START INTERIOR INTERIOR LIGHT) JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT MAKE UP MIRROR SWITCH LEFT FRONT MAKE- UP MIRROR LIGHT LEFT LUGGAGE COMPARTMENT LIGHT LEFT REAR INTERIOR LIGHT LIGHT LIGHT MAP READING MAP READING LIGHT ORG/GRN WIRE REAR WINDOW LOCK RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT MAKE UP MIRROR SWITCH RIGHT FRONT MAKE- UP MIRROR LIGHT RIGHT LUGGAGE COMPARTMENT LIGHT RIGHT REAR INTERIOR LIGHT ROOF FUNCTION CONTROL CENTER TOWING HITCH RELEASE TRUNK LID CENTRAL LOCKING DRIVE (ON REAR COMPT DOOR) TRUNK LID/ TAILGATE LUGGAGE COMPARTMENT LIGHT VIO WIRE W/ PANORAMIC ROOF W/O PANORAMIC ROOF WHT WIRE YEL WIRE

ACCELERATOR PEDAL MODULE (PART OF ACCELERATOR PEDAL) ACTIVE CRUISE CONTROL (IF EQUIPPED) (CENTER OF FRONT BUMPER) ANTI-THEFT SYSTEM BLK WIRE BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/RED WIRE BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/YEL WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CLUTCH SWITCH MODULE (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) DYNAMIC STABILITY CONTROL (DSC) (IF EQUIPPED) (LEFT REAR OF ENGINE COMPT) ELECTRIC THROTTLE VALVE (LEFT SIDE OF ENGINE) ELECTRONICS JUNCTION BOX FUSE 21 FUSE 65 FUSE 37 FUSE 75 GRN WIRE GRN/RED WIRE HOT AT ALL TIMES HOT W/ DME RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LONGITUDINAL DYNAMICS MANAGEMENT ORG/ WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED STEERING COLUMN SWITCH CLUSTER VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

BLK WIRE BLU WIRE BRN WIRE CONVERTIBLE WAGON COUPE 2 3 ELECTRONICS JUNCTION BOX FUSE HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE REAR WINDOW DEFOGGER RELAY REAR WINDOW DEFROSTER REAR WINDOW DEFROSTER (GROUND) LOCKOUT CIRCUIT REAR WINDOW DEFROSTER (POSITIVE) LOCKOUT CIRCUIT WAVE TRAP WHT WIRE YEL WIRE

2 6 EXCEPT WAGON WAGON AUXILIARY WATER PUMP BLOWER OUTPUT STAGE BLU/GRY WIRE BRN WIRE ELECTRONICS JUNCTION BOX FRONT INTERIOR/ READING LAMP INDEPENDENT/ AUXILIARY HEATING CONTROL MODULE LEFT FOG LIGHT LEFT FRONT DIRECTION INDICATOR LEFT HEADLIGHT LEFT HORN LEFT RIGHT HEATED HEATED WASHER WASHER NOZZLE NOZZLE LEFT TAILLIGHT LUGGAGE COMPARTMENT SOCKET OUTLET METERING PUMP NCA WIRE PASSENGER'S DOOR ENTRANCE LIGHT PASSENGER'S DOOR POWER WINDOW SWITCH PASSENGER'S DOOR SYSTEM LOCK PASSENGER'S LUMBAR SUPPORT SWITCH PASSENGER'S SEAT ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK PASSENGER'S SEAT HEATING MODULE PASSENGER'S SEAT VACUUM PUMP PASSENGER'S SIDE FOOTWELL LIGHT PASSENGER'S SIDE OUTER DOOR HANDLE ELECTRONIC MODULE PASSENGER'S SIDE OUTSIDE MIRROR REAR DRIVER'S REAR DRIVER'S SIDE SYSTEM SIDE POWER LOCK WINDOW SWITCH REAR DRIVER'S SIDE DOOR ENTRANCE LIGHT REPEATER LIGHT ROOF FUNCTION TRANSFER CONTROL BOX CONTROL CENTER MODULE SECONDARY AIR HOT-FILM AIR MASS METER WATER VALVE WIPER MOTOR

AMPLIFIER AUC SENSOR AUXILIARY BRAKE LIGHT BRN WIRE BRN/BLK WIRE CD DIGITAL CHANGER TUNER US COMFORT ACCESS CONTROL MODULE CONVERTIBLE WAGON COUPE CONVERTIBLE WAGON 2 5 1 COUPE WAGON 2 3 COUPE, WAGON TIRE PRESSURE CONTROL RIGHT (RDC) TAIL LIGHT EJECT BOX ELECTROCHROMIC INTERIOR REAR VIEW MIRROR ELECTRONICS JUNCTION BOX FOOTWELL MODULE FUEL PUMP CONTROL (EKPS) GEAR INDICATOR LIGHTING LEFT RIGHT LICENSE LICENSE PLATE PLATE LIGHT LIGHT NCA WIRE PARK DISTANCE CONTROL (PDC) REAR PASSENGER'S SIDE POWER WINDOW SWITCH REAR PASSENGER'S SIDE SYSTEM LOCK REAR WINDOW DUAL REMOTE DEFROSTER CONTROL RECEIVER RIGHT HEADLIGHT RIGHT INNER TAIL LIGHT RIGHT LICENSE PLATE LIGHT RIGHT REAR MICROWAVE SENSOR RIGHT RELEASE ROLLER COVER MOTOR SATELLITE RECEIVER STEPTRONIC SWITCH TCU TOWING TOWING HITCH HITCH RELEASE RELEASE DRIVE UNIT TRAILER SOCKET TRUNK LID BUTTON TRUNK LID LEFT CENTRAL INNER LOCKING TAIL DRIVE LIGHT USB- HUB VIDEO MODULE WASHER FLUID LEVEL SWITCH

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

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONICS JUNCTION BOX FUSE 77 JUNCTION BOX (UNDER RIGHT SIDE OF DASH) RELAY ENERGIZED SERVOTRONIC VALVE WHT WIRE YEL WIRE