BMW X3 F25 (2010-2014) electronics junction box Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 GND 48 49 K-CAN BUS SIG K-CAN BUS SIG 7 8 K-CAN BUS SIG K-CAN BUS SIG A/C COMPRESSOR AIR DISTRIBUTION MICRO SWITCH AUC SENSOR BLK/BRN WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLOWER MOTOR BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE CENTRAL GATEWAY MODULE (LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM ELECTRONICS JUNCTION BOX EVAPORATOR TEMPERATURE SENSOR (EVAPORATOR ASSEMBLY) FOOTWELL VENTILATION TEMPERATURE TEMPERATURE SENSOR SENSOR FRONT CENTER VENTILATION GRILLE FUSE 11 FUSE 33 FUSE 44 FUSE 71 GRN WIRE GRN/GRY WIRE GRY/RED WIRE HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH) HOT AT ALL TIMES HOT W/ HOT W/ BISTABLE RELAY ENERGIZED HOT W/ TERMINAL 15 RELAY ENERGIZED JUNCTION BOX (RIGHT SIDE OF DASH) LIN BUS SIG ORG/GRN WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RELAY ENERGIZED SEATS SYSTEM SENS GND SIG AIR CTRL VIO WIRE VOLT SPLY WHT WIRE WHT/BRN WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE

AUTOMATIC LUGGAGE COMPARTMENT LID ACTUATION (RIGHT REAR OF LUGGAGE COMPT) BLK WIRE BLU WIRE BLU/RED WIRE CAR ACCESS SYSTEM (LEFT SIDE OF DASH) COM-BOX (LEFT REAR CARGO AREA) CONTROLLER DIAGNOSIS SOCKET TERMINATING RESISTOR DRIVER'S SEAT MODULE ELECTROCHROMIC INTERIOR REAR VIEW MIRROR ELECTRONICS JUNCTION BOX FOOTWELL MODULE FUSE 3 GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HIGH VARIANT ROOF FUNCTION MODULE (OVERHEAD CONSOLE) HOT W/ BI-STABLE RELAY ENERGIZED JUNCTION BOX (RIGHT SIDE OF DASH) ORG/GRN WIRE PNK/RED WIRE PNK/WHT WIRE RED WIRE RED/VIO WIRE TIRE PRESSURE CONTROL (RIGHT SIDE OF DASH) TRAILER MODULE (REAR COMPARTMENT FLOOR BOARD) TRAILER SOCKET W/ COMBOX W/O RADIO, COMBOX WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

AMBIENT LIGHT BLK/GRY WIRE BLU WIRE BLU/YEL WIRE BOOT LID/ TAILGATE LOCK (TAILGATE LATCH) BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM EARLY PRODUCTION LATE PRODUCTION ELECTRONICS JUNCTION BOX FUSE FUSE 10 FUSE 66 FUSE 58 GLOVE COMPARTMENT LIGHT GRN WIRE GRY/BLK WIRE GRY/BRN WIRE HOT AT ALL TIMES INTERIOR LIGHT) JUNCTION BOX (RIGHT SIDE OF DASH) LEFT FRONT VANITY MIRROR LIGHT LEFT FRONT VANITY MIRROR SWITCH LEFT MAP READING LIGHT LEFT REAR INTERIOR LIGHT LIGHT AMBIENT LIGHT INTERIOR LUGGAGE COMPARTMENT LIGHT LUGGAGE COMPARTMENT LIGHT 2 NOISE SUPPRESSOR FILTER READING LIGHT REAR FUSE HOLDER (REAR COMPARTMENT FLOOR BOARD) RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT VANITY MIRROR LIGHT RIGHT FRONT VANITY MIRROR SWITCH RIGHT MAP READING LIGHT RIGHT REAR INTERIOR LIGHT W/ AUTOMATIC SOFT CLOSE SYSTEM W/O AUTOMATIC SOFT CLOSE SYSTEM W/ HIGH VARIANT W/ BASIC VARIANT W/ READING LIGHT W/O READING LIGHT WHT/BLK WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE

BRN WIRE BRN/BLK WIRE CONNECTION CONNECTION 3 CONNECTION 4 CRASH SAFETY MODULE DRIVER SEAT DRIVER BACKREST SEAT WIDTH PNEUMATIC ADJUSTMENT PUMP VALVE BLOCK DRIVER SEAT HEATING MODULE DRIVER'S LUMBAR DRIVER SUPPORT SEAT SWITCH MODULE DRIVER'S SEAT BELT BUCKLE CONTACT DRIVER'S SEAT POSITION SENSOR DYNAMISTIC STABILITY CONTROL ELECTRIC FAN ELECTRONICS JUNCTION BOX EXTERIOR MIRROR, BASIC VERSION EXTERIOR MIRROR, HIGH VERSION FRONT CIGARETTE FRONT PASSENGER EXTERIOR MIRROR FRONT PASSENGER SEAT OCCUPANCY DETECTION HIGH VARIANT ROOF FUNCTIONS MODULE INTEGRATED CHASSIS MANAGEMENT JUNCTION BOX NCA WIRE PARKING BLOWER BRAKE MOTOR BUTTON PASSENGER ELECTRONIC OUTER DOOR HANDLE MODULE PASSENGER'S DOOR ENTRANCE LIGHT PASSENGER'S DOOR INNER DOOR HANDLE LIGHTING PASSENGER'S DOOR POWER WINDOW SWITCH PASSENGER'S DOOR SYSTEM LOCK PASSENGER'S PASSENGER'S DOOR DOOR POCKET ENTRANCE LIGHT LIGHTING PASSENGER'S SEAT BELT BUCKLE CONTACT PASSENGER'S SEAT HEATING MODULE REAR PASSENGER'S SIDE COURTESY LIGHTING REAR PASSENGER'S SIDE DOOR POCKET LIGHTING REAR PASSENGER'S SIDE ENTRY LIGHT REAR PASSENGER'S SIDE INNER DOOR HANDLE LIGHTING REAR REAR PASSENGER'S PASSENGER'S SIDE POWER SIDE WINDOW SYSTEM LOCK SWITCH REAR WINDOW DEFOGGER

3 17 5 HI BEAM SW LIN BUS SIG GND 34 18 PW SUPPLY GND 50 38 37 SIDE LIGHTS LOW BEAM LT FOG LT 6 1 3 HI BEAM HEAD LIGHT PW SUPPLY PW SUPPLY BI-XENON BLK/GRN WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/ORG WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM DAYTIME DRIVING/ SIDE LIGHT (W/O LED) ELECTROCHROMIC INTERIOR REARVIEW MIRROR ELECTRONICS JUNCTION BOX FOOTWELL MODULE FUSE 16 FUSE 17 FUSE 18 FUSE 13 FUSE 24 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRY/VIO WIRE HEADLIGHT BEAM HEIGHT CONTROL DRIVE UNIT HEADLIGHT DRIVER MODULE HIGH BEAM HIGH BEAM ASSISTANT SENSOR, CONTROL HOT W/ BI-STABLE RELAY ENERGIZED HOT W/ TERMINAL JUNCTION BOX (RIGHT SIDE OF DASH) LEFT FOG LIGHT LEFT HEADLIGHT LOW BEAM ORG/GRN WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FOG LIGHT SHUTTER STEERING COLUMN SWITCH CLUSTER SWIVEL MODULE TURN W/ XENON W/O XENON WHT/BLK WIRE WHT/RED WIRE WHT/VIO WIRE XENON CONTROL MODULE XENON LAMP YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE

21 25 AMBIENT LT GND 34 48 PWR SPLY AMBIENT LT 44 43 K-CAN BUS SIG K-CAN BUS SIG AMBIENT LIGHT BLK/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/YEL WIRE CENTER CONSOLE CONTROL PANEL CENTER FRONT VENTILATION GRILLE CENTRAL LOCKING BUTTON HAZARD WARNING SWITCH OPERATING UNIT COMPUTER DATA LINES SYSTEM CONNECTION COURTESY LAMPS CIRCUIT DVD CHANGER (EARLY PRODUCTION) ELECTRONICS JUNCTION BOX FOOTWELL MODULE FRONT CENTER ARMREST LIGHT FRONT CIGARETTE GRILLE GRY/RED WIRE HEAD DVD UNIT CHANGER HEAD UNIT (EARLY PRODUCTION) HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH) INTEGRATED CHASSIS MANAGEMENT (CENTER CONSOLE) JUNCTION BOX (RIGHT SIDE OF DASH) LEFT FRONT VENTILATION LEFT REAR INTERIOR LIGHT PARKING BRAKE BUTTON RED/WHT WIRE RIGHT FRONT VENTILATION GRILLE RIGHT REAR INTERIOR LIGHT W/ HIGH VARIANT W/ BASIC VARIANT LATE PRODUCTION W/ W/O DVD DVD YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE

44 43 COMPUTER DATA LINES SYSTEM BLU WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/GRN WIRE CAMERA-BASED DRIVER ASSISTANCE SYSTEMS CAMERA-BASED DRIVER SUPPORT SYSTEMS CAMERA HEATING COMPUTER DATA LINES SYSTEM DRIVER ASSISTANCE CONTROL PANEL ELECTRONICS JUNCTION BOX FOOTWELL MODULE FUSE 13 FUSE 43 GRN WIRE GRN/RED WIRE GRN/WHT WIRE HOT W/ BI-STABLE RELAY ENERGIZED HOT W/ TERMINAL JUNCTION BOX (RIGHT SIDE OF DASH) LANE DEPARTURE WARNING CAMERA (BEHIND INSIDE REARVIEW MIRROR) NCA WIRE ORG/ WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE

AUTOMATIC LUGGAGE COMPARTMENT LID ACTUATION BASE PLATE BISTABLE RELAY BLU/BRN WIRE BLU/RED WIRE BRN WIRE CENTRAL GATEWAY MODULE DIAGNOSIS SOCKET DRIVER ELECTRONIC OUTER DOOR HANDLE MODULE ELECTRONICS JUNCTION BOX FROM FUSE 500 (DIAGRAM 1 OF 7) FROM INTELLIGENT BATTERY SENSOR (DIAGRAM 1 OF 7) FROM TERMINAL FUSE FUSE 100 FUSE 101 FUSE 107 FUSE 170 FUSE 170 FUSE 132 FUSE 198 FUSE 169 FUSE 199 FUSE 2 FUSE 200 FUSE 201 FUSE 26 FUSE 27 FUSE 3 FUSE 509 FUSE BOX (RIGHT REAR COMPT FLOOR BOARD) GRN/RED WIRE INSTRUMENT CLUSTER CONTROL UNIT NATURAL NATURAL VACUUM VACUUM LEAK LEAK DETECTION DETECTION NCA WIRE NOISE SUPPRESSOR FILTER PARKING BRAKE CONTROL UNIT PASSENGER'S ELECTRONIC OUTER DOOR HANDLE MODULE REAR WINDOW DEFOGGER RELAY RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY (DIAGRAM 6 OF 7) TO DC/DC CONVERTER 2 (DIAGRAM NOISE 5 OF 7) SUPPRESSOR FILTER TO FUSE 14 (DIAGRAM 3 OF 7) TO FUSE 23 (DIAGRAM 3 OF 7) TO TERMINAL TOP HIFI AMPLIFIER TRAILER FOOTWELL MODULE MODULE VERTICAL DYNAMICS MANAGEMENT WHT RED/ WIRE WHT WIRE

BLK WIRE BLOWER DYNAMIC MOTOR STABILITY CONTROL (DSC) BRN WIRE CAR ACCESS SYSTEM UNIT COMBOX ELECTRIC FAN CUT OUT RELAY ELECTRONICS JUNCTION BOX FOOTWELL MODULE FROM FUSE 2 (DIAGRAM 2 OF 7) FROM FUSE 27 (DIAGRAM 2 OF 7) FUSE 14 FUSE 15 FUSE 7 FUSE 8 FROM TERMINAL FUSE FUSE 11 FUSE 13 FUSE 16 FUSE 17 FUSE 18 FUSE 19 FUSE 23 FUSE 33 FUSE 58 FUSE 60 FUSE 61 FUSE 71 FUSE 40 FUSE 9 FUSE 37 FUSE 38 FUSE 56 FUSE FUSE GRN WIRE HEAD-UP DISPLAY HEATING/AIR CONDITIONING SYSTEM HIGH VARIANT ROOF FUNCTION MODULE HIGH VARIANT ROOF FUNCTIONS MODULE INSTRUMENT CLUSTER CONTROL GLOVE COMPARTMENT LIGHT JUNCTION BOX (RIGHT SIDE JUNCTION FROM BOX FUSE 61 (RIGHT SIDE (DIAGRAM OF DASH) 3 OF 7) LIGHT SWITCH UNIT OF DASH) PARKING BRAKE BUTTON PREPARATION FOR TRAILER SOCKET REAR WIPER RELAY RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY SHUTOFF VALVE SIREN BASIC VARIANT W/ TILT ROOF ALARM FUNCTIONS MODULE SENSOR STEERING COLUMN SWITCH CLUSTER TANK VENT TERMINAL TO FUSE 32 (DIAGRAM 4 OF 7) TO TERMINAL TO WASHER PUMP RELAY (DIAGRAM 4 OF 7) TRAILER MODULE TRANSFER CAR ACCESS BOX SYSTEM VALVE W/ BASIC VARIANT ROOF FUNCTIONS MODULE W/ HIGH VARIANT ROOF FUNCTIONS MODULE W/ TRAILER SOCKET W/O TRAILER SOCKET

4 OF 7) AUC SENSOR BLK/WHT WIRE BLU/GRN WIRE BRN WIRE CAMERA-BASED DRIVER ASSISTANCE SYSTEM CAR ACCESS SYSTEM CONTROLLER 3.0L TWIN TURBO 3.0L DC/DC CONVERTER DC/DC CONVERTER 2 DIGITAL MOTOR ELECTRONICS ELECTROCHROMIC INTERIOR REAR VIEW MIRROR ELECTRONICS JUNCTION BOX ENGINE BREATHER HEATER FROM FUSE 43 (DIAGRAM FUSE 44 5 OF 7) FROM FUSE 67 (DIAGRAM FUSE 35 4 OF 7) FROM HORN RELAY (DIAGRAM FROM REAR FUSE HOLDER (DIAGRAM 2 OF 7) FROM REAR FUSE HOLDER (DIAGRAM 7 OF 7) FROM REAR TO REAR FUSE FUSE HOLDER HOLDER (DIAGRAM (DIAGRAM 7 OF 7) 6 OF 7) FUSE FUSE 26 FUSE 43 FUSE 46 FUSE 47 FUSE 48 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/RED WIRE GRN/WHT WIRE INSTRUMENT CLUSTER CONTROL UNIT JUNCTION BOX (RIGHT SIDE OF DASH) LEFT RIGHT REAR REAR SEAT SEAT HEATING HEATING SWITCH SWITCH NCA WIRE ORG/ WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RELAY START-STOP BUTTON STEERING ELECTRO COLUMN MECHANICAL SWITCH POWER CLUSTER STEERING TERMINAL TO FUSE 44 (DIAGRAM 5 OF 7) TO REAR FUSE HOLDER (DIAGRAM 7 OF 7) TO TERMINAL WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL/GRN WIRE