BMW X3 E83 (2003-2006) light switch cluster 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

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

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

ADAPTIVE HEADLIGHT BLU WIRE BRAKE FLUID LEVEL SWITCH BRAKE LIGHT SWITCH BRN WIRE BRN/BLK WIRE CENTER CONSOLE CENTER CONSOLE SWITCH CENTER CLUTCH SWITCH COOLANT LEVEL SWITCH DIRECTION INDICATOR/ HIGH BEAM HEADLIGHT SWITCH DRIVER'S SEAT BELT BUCKLE CONTACT ELECTRONIC INTERIOR REAR-VIEW MIRROR FOG LIGHT RELAY GENERAL MODULE CONTROL MODULE ELECTRONIC VEHICLE IMMOBILIZER DSC SENSOR GRN WIRE HAZARD WARNING/ CENTRAL LOCKING SWITCH HORN SWITCH LEFT FOG LIGHT LEFT HEADLIGHT LEFT HORN LEFT REAR SEAT HEATING SWITCH GEAR INDICATOR LIGHTING LIGHT SWITCH CLUSTER LUGGAGE COMPARTMENT CHARGING SOCKET MULTIFUNCTION STEERING WHEEL MULTIPLE RESTRAINT SYSTEM CONTROL MODULE MULTIPLE RESTRAINT SYSTEM CONTROL MODULE SHIELD NCA WIRE OBD II SOCKET PASSENGER'S SEAT BELT BUCKLE CONTACT SEAT OCCUPANCY RECOGNITION RAIN/ HEADLIGHT SENSOR LEFT HEADLIGHT RIGHT HEADLIGHT RIGHT REAR SEAT HEATING SWITCH STEERING ANGLE SENSOR STEPTRONIC SWITCH TRANSFER BOX CONTROL MODULE VOLUTE SPRING W/O SPORT PACKAGE W/ SPORT PACKAGE WASH WATER LEVEL SWITCH WIPER SWITCH

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/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM ANTI-LOCK BRAKES SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM FUSE GRN/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HAZ WARN SW BRAKE LIGHT HOT AT ALL TIMES HOT IN ACC RUN AND START HOT IN RUN AND START INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM K-BUS SIG FRNT LOAD SENS SIG LEFT HIGH BEAM HEIGHT CONTROL STEPPER MOTOR LIGHT SWITCH CLUSTER LOAD SENSOR POWER DISTRIBUTION (RIGHT SIDE OF DASH) RAIN/HEADLIGHT SENSOR RED/GRN WIRE RED/VIO WIRE RIDE HEIGHT SENSOR RIGHT HIGH BEAM HEIGHT CONTROL STEPPER MOTOR VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED/YEL WIRE WIPER/ WASHER SYSTEM YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BRN WIRE BRN/BLK WIRE DIMMER DIRECTION INDICATOR/ HIGH-BEAM SWITCH FOG LGHT FOG LIGHT RELAY GRD GRN WIRE GRY WIRE HDLT CNTRL HIGH BEAM LOW BEAM DIRECTION IND 2 3 HIGH BEAM XENON DIRECTION IND 2 3 HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE LEFT FOG LIGHT LEFT HEAD- LIGHT LIGHT SWITCH CLUSTER LIGHT SWITCH UNIT LO BEAM ON-BOARD COMPUTER BUTTON PHOTO CELL POWER DISTRIBUTION (RIGHT SIDE OF DASH) FUSE PRLK LGHT RED WIRE RED/YEL WIRE RIGHT FOG LIGHT RIGHT HEAD- LIGHT RR FOG LGHT W/ XENON HEADLIGHTS WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE YEL/RED WIRE

BRN WIRE BRN/BLK WIRE CENTER CONSOLE SWITCH CENTER COMPUTER DATA LINES SYSTEM DRIVER'S DOOR MODULE EJECT BOX EMERGENCY CALL BUTTON PANORAMA GLASS ROOF SWITCH FRONT CIGARETTE LIGHTER LIGHTING FRONT INTERIOR/ READING LAMP FUSE GEAR INDICATOR LIGHTING GRN/BLU WIRE GRY/RED WIRE HAZARD WARNING/ CENTRAL LOCKING SWITCH HEATING/ AIR CONDITIONING SYSTEM HOT AT ALL TIMES HOT IN ACC RUN AND START HOT IN RUN AND START LEFT REAR SEAT HEATING SWITCH LIGHT SWITCH CLUSTER NCA WIRE PASSENGER'S DOOR POWER WINDOW SWITCH POWER DISTRIBUTION (RIGHT SIDE OF DASH) RED/GRN WIRE RED/VIO WIRE RIGHT REAR SEAT HEATING SWITCH RADIO TELEPHONE TRANSCEIVER VIO/YEL WIRE W/ BASIC MIRROR W/O BASIC MIRROR WHT/RED/YEL WIRE

A/T ADAPTIVE HEADLIGHT BLK WIRE BLU WIRE BRN WIRE CENTER CONSOLE SWITCH CENTER ELECTROCHROMIC INTERIOR REAR VIEW MIRROR ELECTRONIC VEHICLE IMMOBILIZER FROM FROM FUSE FUEL PUMP CONTROL (EKPS) FUSE FUSE FUSE GRN WIRE HEATING/ AIR CONDITIONING SYSTEM IGNITION SWITCH INSTRUMENT CLUSTER CONTROL MODULE LIGHT SWITCH CLUSTER M/T NCA WIRE OBD II OFF PASSENGER'S SIDE OUTSIDE MIRROR POWER DISTRIBUTION (RIGHT SIDE OF DASH) REAR WINDOW DEFROSTER RELAY RED WIRE REVERSING LIGHT RELAY REVERSING LIGHT SWITCH RUN WIRE TO FUSE TRANSFER BOX CONTROL MODULE TRANSMISSION OIL CONTROL LEVEL UNIT SENSOR VIO WIRE VOLUTE SPRING WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BRAKE LIGHT SWITCH VOLUTE SPRING CENTER CONSOLE SWITCH CENTER CLUTCH SWITCH ELECTRONIC VEHICLE IMMOBILIZER (EWS) FROM FROM IGNITION SWITCH (DIAGRAM 5 OF 6) FUSE GENERAL MODULE CONTROL MODULE GRY WIRE HORN RELAY INSTRUMENT CLUSTER CONTROL MODULE LEFT FRONT MAKE- UP MIRROR LIGHT LIGHT SWITCH CLUSTER NAVIGATION SYSTEM NCA WIRE POWER DISTRIBUTION (RIGHT SIDE OF DASH) RADIO RAIN/ HEADLIGHT SENSOR REAR INTERMITTENT WIPE/WASH CONTROL MODULE REAR SEAT ENTERTAINMENT PREPARATIONS (2006 ONLY) RIGHT FRONT MAKE- UP MIRROR LIGHT TELEPHONE TRANSCEIVER TO FUSE VIO WIRE VOICE CONTROL SYSTEM WHT WIRE YEL WIRE