BMW X3 E83 (2003-2006) brn/blk Wiring diagrams

21 7 4 5 16 6 18 K-BUS TERM 30 RPA SW LED DSC SW HDC SW GRD BLU WIRE BLU/BRN/YEL WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRAKE FLUID LEVEL SWITCH (LEFT REAR ENGINE COMPT) BRAKE LIGHT RR WHL SPD TERM 87 LR WHL SPD LF WHL SPD HDC MODE BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/GRN/YEL WIRE BRN/RED WIRE CENTER CONSOLE SWITCH CENTER COMPUTER DATA LINES SYSTEM D CAN HIGH GROUND D CAN LOW TERM 30 DIGITAL MOTOR ELECTRONICS CONTROL UNIT DSC SENSOR DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR ENGINE COMPT) ENGINE ELECTRONICS FUSE CARRIER FUSE GRN WIRE GROUND GRY WIRE GRY/BLK/YEL WIRE HDC IND HOT AT ALL TIMES HOT AT ALL TIMES POWER DISTRIBUTION (RIGHT SIDE OF DASH) FUSE HOT IN RUN, ACCY OR START HOT W/ DME RLY ENERGIZED INSTRUMENT CLUSTER CONTROL MODULE LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR LIGHT SWITCH CLUSTER LR SPD OUT WARN IND DIAG TXD RF WHL SPD RR WHL SPD LR WHL SPD LF WHL SPD NAVIGATION SYSTEM NCA WIRE PARK BRAKE SWITCH RED WIRE RED/BLK WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR RIGHT REAR WHEEL SPEED SENSOR STEERING ANGLE SENSOR DSC TELEPHONE TRANSCEIVER VIO/YEL WIRE WHT/GRN WIRE WHT/RED/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE

1 8 9 BATTERY BATTERY BATTERY ANTI-THEFT ALARM SYSTEM HORN BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/GRY WIRE BRN/GRY/YEL WIRE CENTERLOCK BUTTON SIG ELECTROCHROMIC INTERIOR REARVIEW MIRROR FUSE GENERAL MODULE CONTROL UNIT (RIGHT SIDE OF DASH) GRN WIRE GRY WIRE GRY/BLK/YEL WIRE GRY/BRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ACC, RUN OR START INTERIOR MOVEMENT DETECTION POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE TILT SENSOR TRUNK LID/TAILGATE LOCK SW SIG VIO WIRE VIO/BLK WIRE VIO/GRN WIRE VIO/YEL WIRE YEL WIRE YEL/GRN WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/GRY/YEL WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM FUSE GENERAL MODULE CONTROL UNIT (RIGHT SIDE OF DASH) GRN/BRN WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT IN ACCY, RUN AND START PASS WNDW REG CLOSED POWER DISTRIBUTION (RIGHT SIDE OF DASH) POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM WIPER/WASHER SYSTEM RED WIRE RED/BLU WIRE RED/VIO WIRE TRUNK LID SW SIG TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/RED/YEL WIRE WIPER SW 2 SIG FRNT PASS PWR WNDW SW WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM POWER WINDOWS SYSTEM YEL WIRE YEL/RED WIRE

14 13 12 CAN (-) CAN (+) K-BUS 17 32 RPM SIG TXD SIG 2 1 4 DIAG TXD CAN (-) CAN (+) 2 3 CAN (-) CAN (+) 21 16 17 14 DIAG TXD CAN (-) CAN (+) K-BUS 3 4 CAN (-) CAN (+) 37 36 CAN (-) CAN (+) 48 9 LIN-BUS K-BUS 6 5 12 CAN (-) CAN (+) K-BUS ADAPTIVE HEADLIGHT AMPLIFIER NAVIGATION SYSTEM BLK WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CAN (-) CAN (+) DIAG TXD CD CHANGER CENTER CONSOLE SWITCH CENTER CENTRAL INFORMATION DISPLAY DIAG TXD CAN (-) CAN (+) DIGITAL MOTOR ELECTRONICS DRIVER'S DOOR MODULE DRIVER'S SEAT MEMORY DRIVER'S SIDE OUTSIDE MIRROR PASSENGER'S SIDE OUTSIDE MIRROR DSC SENSOR DYNAMIC STABILITY CONTROL ELECTRONIC IMMOBILIZER CONTROL UNIT FUSE GENERAL MODULE CONTROL UNIT GRN/BRN WIRE HEATING/AIR CONDITIONING SYSTEM HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER K- BUS K- BUS K- BUS LIGHT SWITCH CLUSTER LIN BUS LIN- BUS LIN- BUS MULTIPLE RESTRAINT SYSTEM CONTROL MODULE NCA WIRE OBD II SOCKET PANORAMA GLASS ROOF PARK DISTANCE CONTROL (PDC) POWER DISTRIBUTION (RIGHT SIDE OF DASH) RADIO RAIN/HEADLIGHT SENSOR RED WIRE RED/YEL WIRE SEAT OCCUPANCY RECOGNITION SERVOTRONIC STEERING ANGLE SENSOR TELEPHONE TRANSCEIVER TIRE PRESSURE CONTROL (RDC) TRANSFER BOX CONTROL MODULE TRANSMISSION CONTROL TXD SIG VIDEO MODULE VOICE CONTROL SYSTEM VOLUTE SPRING WHT WIRE WHT/GRY WIRE WHT/RED WIRE WHT/RED/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

3 8 4 DIAG TXD VOLTAGE SUPPLY GROUND 32 15 31 5 42 43 TP SIG RETURN TP SIG VOLTAGE SUPPLY THROTTLE ACT THROTTLE ACT 5 6 GROUND GROUND A/T ANTI-THEFT SYSTEM BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BRAKELIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/VIO WIRE BRN/WHT WIRE CAN (-) CAN (+) CLUTCH SWITCH MODULE (IF EQUIPPED) COMPUTER DATA LINES SYSTEM DIAG TXD CAN (+) CAN (-) 36 37 DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) ELECTRIC THROTTLE ACTUATOR ENGINE ELECTRONICS FUSE CARRIER FUSE GRY WIRE GRY/WHT WIRE HOT IN ACC, RUN OR START HOT W/ DME RELAY ENERGIZED LEFT MULTIFUNCTION STEERING WHEEL M/T NCA WIRE PEDAL POSITION SENSOR POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/WHT/YEL WIRE RIGHT MULTIFUNCTION STEERING WHEEL TRANSMISSION CONTROL UNIT VIO WIRE VIO/YEL WIRE VOLUTE SPRING WHT WIRE WHT/GRN WIRE WHT/RED/YEL WIRE WHT/VIO WIRE YEL WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED WIRE

ANTI-LOCK BRAKES SYSTEM BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/BRN/YEL WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM (BACK-UP LAMPS CIRCUIT) FOG FUSE GRN/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HAZARD WARNING/ CENTRAL LOCKING SWITCH HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HOT AT ALL TIMES HOT IN ACC RUN AND START HOT IN RUN AND START K-BUS SIG FRONT LOAD SENS LEFT FRONT TURN SIGNAL REPEATER LEFT HEAD- LIGHT LEFT INNER TAIL- LIGHT LIGHT SWITCH CLUSTER POWER DISTRIBUTION (RIGHT SIDE OF DASH) FUSE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE REVERSE RIGHT FRONT TURN SIGNAL REPEATER RIGHT HEAD- LIGHT RIGHT INNER TAIL LIGHT TURN VIO/YEL WIRE W/ XENON HEADLIGHTS W/O XENON HEADLIGHTS WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED/YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 GRD ADAPTIVE HEADLIGHT AUXILIARY BRAKE LIGHT BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/BRN/YEL WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRAKE/ BRN WIRE BRN/BLK WIRE BRN/GRY WIRE DIGITAL MOTOR ELECTRONICS CONTROL MODULE (LEFT REAR ENGINE COMPT) DIRECTION INDICATOR/ HIGH-BEAM SWITCH DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR ENGINE COMPT) EXTERIOR LIGHTS SYSTEM (BACK-UP LAMPS CIRCUIT) GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/VIO WIRE GRY/YEL WIRE HDLT CNTRL LO BEAM PHOTO CELL INSTRUMENT CLUSTER CONTROL MODULE LEFT TAIL LIGHT LIGHT SWITCH CLUSTER LIGHT SWITCH UNIT NOISE SUPPRESSOR FILTER RED/BLU WIRE RED/VIO WIRE RIGHT TAIL LIGHT RR FOG LGHT PRLK LGHT FOG LGHT DIMMER TAIL TRAILER MODULE TRAILER SOCKET TRUNK LID PUSH- BUTTON/ LICENSE PLATE LIGHTS TURN VIO/YEL WIRE W/O RADIO WHT WIRE YEL/RED WIRE

BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE CLUTCH SWITCH MODULE COMPUTER DATA LINES SYSTEM DIGITAL MOTOR ELECTRONIC CONTROL UNIT (LEFT REAR ENG COMPT) ELECTRONIC IMMOBILIZER CONTROL UNIT EWS TOROIDAL COIL FUSE GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START IGNITION SWITCH INSTRUMENT CLUSTER CONTROL MODULE LOCK POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RED/BLU WIRE RUN WIRE STARTER STARTING/ CHARGING SYSTEM TRANS SW SIG TRANSMISSION CONTROL UNIT VIO WIRE VIO/YEL WIRE WHT WIRE WHT/RED/YEL WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 TERM 15 A/T (LEFT REAR ENGINE COMPT) ALTERNATOR BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CAMSHAFT POSITION SENSOR 1 CAMSHAFT POSITION SENSOR 2 CRANKSHAFT POSITION SENSOR CYL 1 CYL 2 CYL 4 CYL 3 CYL 5 CYL 6 DIGITAL MOTOR ELECTRONICS (DME) CONTROL UNIT (LEFT REAR OF ENGINE COMPT) DOUBLE KNOCK SENSOR FUEL INJECTION VALVES FUEL INJECTORS RELAY GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/WHT WIRE HOT FILM MASS AIR FLOW SENSOR NCA WIRE OIL LEVEL SENSOR OIL TEMPERATURE SENSOR RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/WHT/YEL WIRE SENSOR ACTIV SENSOR ACTIV SENSOR ACTIV SENSOR ACTIV SENSOR GRD SENSOR SIG STARTING/CHARGING SYSTEM THROTTLE ACTV THROTTLE ACTV SENSOR SIG SENSOR GRD SENSOR SIG SENSOR SIG TXD SIG GROUND GROUND GROUND TERM 30 TERM 87 WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE

ANTI-THEFT SYSTEM BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/RED WIRE BRN/VIO WIRE BRN/WHT WIRE CAN L DME RELAY ELECTRIC THROTTLE ACTUATOR EXHAUST VANOS VALVE FUEL TANK CHARACTERISTIC VENT MAP COOLING VALVE THERMOSTAT FUSE FUSE GRN/BLU WIRE GRN/BRN WIRE GRN/VIO WIRE GRY/BRN WIRE GRY/WHT WIRE HOT AT ALL TIMES B+ POTENTIAL DISTRIBUTOR HOT AT ALL TIMES ENGINE ELECTRONICS FUSE CARRIER FUSE IDLE SPEED INDIVIDUAL CONTROL ACTUATOR INTAKE SYSTEM VALVE INTAKE VANOS VALVE RED WIRE RED/ WHT/YEL WIRE RED/WHT WIRE RED/WHT/YEL WIRE TRANSMISSION CONTROL MODULE TXD VIO/YEL WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE YEL WIRE