BMW 1 series E81/E82/E87/E88 facelift (2007-2011) junction box electronics Wiring diagrams

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

ACTIVE STEERING (IF EQUIPPED) (BEHIND LEFT FRONT WHEEL) BLK WIRE BLK/RED/WHT WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/ WHT WIRE BLU/BRN/YEL WIRE BLU/GRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT/YEL WIRE BRAKE FLUID LEVEL SWITCH (LEFT REAR OF ENGINE COMPT) BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRK FLD LVL BRK LIGHT LF BRK PAD BRN WIRE BRN/BLK WIRE BRN/GRN/YEL WIRE BRN/RED WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CENTER CONSOLE SWITCH CLUSTER COMPUTER DATA LINE SYSTEM COND WHL SPD F-CAN-LOW DSC SENS DME CONTROL UNIT DSC SENSOR (LEFT FRONT FOOTWELL) DSC SENSOR 2 (W/ AL ACTIVE FRONT STEERING) DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) F-CAN HIGH RF WHL OUT FUSE GRN/RED WIRE HAZARD WARNING SWITCH HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT FRONT SPEED SENSOR (FRONT OF LEFT FRONT WHEEL) LEFT REAR SPEED SENSOR (BEHIND LEFT REAR WHEEL) LF WHL OUT PT CAN LOW GROUND LF WHL SPD LF WHL SPD GROUND LR WHL SPD LR WHL SPD PARKING BRK DSC SENS RR BRK PAD NCA WIRE PARKING BRAKE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT SPEED SENSOR (FRONT OF RIGHT FRONT WHEEL) RIGHT REAR SPEED SENSOR (BEHIND RIGHT REAR WHEEL) RR BRK PAD RR WHL OUT RF BRK PAD RR WHL SPD RR WHL SPD STEERING COLUMN SWITCH CLUSTER STEERING GEAR (W/ ACTIVE STEERING) TELEPHONE TRANSCEIVER (CENTER OF REAR COMPT) TERMINAL 15 PT CAN HIGH TERMINAL 30 RF WHL SPD RF WHL SPD VIO/WHT WIRE W/ NAVIGATION (NOT USED) W/O NAVIGATION WARNING SWITCH (UNDER CENTER CONSOLE) WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

1 2 CAN L CAN H 11 9 CAN H CAN L 13 35 26 TD SIG CAN H CAN L 18 2 CAN L CAN H 2 1 CAN L CAN H 2 15 CAN L CAN H 2 3 CAN H CAN L 2 8 CAN L CAN H 3 4 CAN H CAN L 4 3 CAN L CAN H 45 46 44 43 CAN L CAN H CAN H CAN L 5 6 CAN H CAN L 5 6 CAN L CAN H 6 2 CAN H CAN L 6 5 CAN L CAN H 6 7 CAN H CAN L 8 9 5 6 CAN H CAN L CAN H CAN L 9 16 CAN H CAN L ACTIVE CRUISE CONTROL ACTIVE STEERING (BEHIND LEFT FRONT WHEEL) BLK WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE CAN H CAN L CAN H CAN L CAN-L CAN-H CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CAR INFORMATION COMPUTER CIC CENTER ROOF FUNCTION CONTROL COMFORT ACCESS CONTROL MODULE (RIGHT SIDE OF REAR COMPT) CONTROLLER DIGITAL DIESEL ELECTRONIC CONTROL MODULE DME CONTROL MODULE DRIVERS SEAT MODULE (UNDER DRIVER SEAT) DSC SENSOR (LEFT FRONT FOOTWELL) DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) ELECTROCHROMIC INTERIOR REAR VIEW MIRROR (3-SERIES, COUPE) ELECTRONICALLY CONTROLLED FUEL PUMP (IN RIGHT REAR SIDE INTERIOR PANEL) FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE GRN WIRE GRN/BRN WIRE GRN/ORG WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LONGITUDINAL DYNAMICS MANAGEMENT MULTI-DRIVE SUNROOF (WAGON) (FRONT OF SUNROOF) OBDII SOCKET (3-SERIES: UNDER LEFT SIDE OF DASH) ORG/ WIRE ORG/GRN WIRE PARK DISTANCE CONTROL (PDC) (RIGHT SIDE OF REAR COMPT) RADIO (W/ RADIO) CCC/M-ASK (W/O RADIO) RED WIRE RED/YEL WIRE RELAY ENERGIZED STEERING GEAR TD SIG CAN H CAN L TIRE PRESSURE CONTROL (RDC) (3-SERIES, COUPE) (RIGHT SIDE OF REAR COMPT) TRAILER MODULE (RIGHT SIDE OF REAR COMPT) TRANSFER BOX CONTROL MODULE TRANSMISSION CONTROL UNIT W/ ACTIVE STEERING W/ AWD W/O AWD WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE

BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT ADJUSTMENT SWITCH DRIVER'S SEAT ANGLE ADJUSTMENT DRIVE (UNDER DRIVER'S SEAT) DRIVER'S SEAT BACKREST HEATING (IN DRIVER SEAT BACK) DRIVER'S SEAT CUSHION HEATING (IN DRIVER SEAT CUSHION) DRIVER'S SEAT HEIGHT ADJUSTMENT DRIVE UNIT (UNDER DRIVER'S SEAT) DRIVER'S SEAT MODULE (UNDER DRIVER'S SEAT) DRIVER'S SIDE EASY ENTRY SWITCH FUSE GRN WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS NCA WIRE ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED FUSE VIO WIRE VIO/BLK WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE COUPE CONVERTIBLE FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY/BRN WIRE GRY/VIO WIRE GRY/YEL WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT FRONT DIRECTION INDICATOR LIGHT REPEATER LEFT LICENSE PLATE LIGHT ORG/GRN WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FRONT DIRECTION INDICATOR LIGHT REPEATER RIGHT HEADLIGHT RIGHT LICENSE PLATE LIGHT SIDE TURN W/ 3 DOOR W/O XENON LIGHTS W/ 3 DOOR, XENON LIGHTS YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

BLK WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) FUSE GRN WIRE HORN RELAY HORN SWITCH HOT AT ALL TIMES JUNCTION BOX JUNCTION BOX ELECTRONICS LEFT HORN (LEFT SIDE OF FRONT BUMPER) REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) RED WIRE RIGHT HORN (RIGHT SIDE OF FRONT BUMPER) STEERING COLUMN SWITCH CLUSTER TERMINAL 15 RELAY VIO/BLU WIRE

ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/RED/WHT WIRE BLK/RED/YEL WIRE BLU WIRE BLU/BRN WIRE BLU/BRN/YEL WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/BLK/WHT WIRE BRN/BLK/YEL WIRE BRN/GRN WIRE BRN/WHT WIRE CAR INFORMATION COMPUTER CCC/M-ASK CENTRAL INFORMATION DISPLAY COMPT) COOLANT LEVEL SWITCH (RIGHT SIDE OF ENGINE ELECTRIC FUEL PUMP (RIGHT TANK HALF FUEL LEVEL SENSOR) (UNDER RIGHT REAR SEAT) FUSE 74 FUSE 76 GRN WIRE GRY WIRE HOT W/ BISTABLE RELAY ENERGIZED HOT W/ TERMINAL INSTRUMENT CLUSTER CONTROL MODULE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT TANK HALF FUEL LEVEL SENSOR (UNDER LEFT REAR SEAT) NCA WIRE ORG/ WIRE ORG/GRN WIRE OUTSIDE TEMPERATURE SENSOR (FRONT CENTER OF BUMPER) PARKING BRAKE WARNING SWITCH (UNDER CENTER CONSOLE) RED WIRE RED/BLU WIRE RED/YEL WIRE STEERING COLUMN SWITCH CENTER W/ CIC W/O CIC WASHER FLUID LEVEL SWITCH (BEHIND RIGHT FRONT WHEEL) WHT WIRE YEL WIRE

BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER'S BACKREST REST SWITCH FUSE GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS NCA WIRE ORG/ WIRE ORG/GRN WIRE PASSENGER'S BACKREST ANGLE ADJUSTMENT DRIVE (UNDER PASSENGER SEAT, ON TRACK) PASSENGER'S SEAT ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST HEATING (IN PASSENGER SEAT BACK) PASSENGER'S SEAT CUSHION HEATING (IN PASSENGER SEAT CUSHION) PASSENGER'S SEAT MODULE PASSENGER'S SEAT SEAT ANGLE ADJUSTMENT DRIVE (UNDER PASSENGER'S SEAT) PASSENGER'S SIDE EASY ENTRY SWITCH RED WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED FUSE VIO WIRE VIO/BLK WIRE VIO/BRN WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

BLK WIRE BLU WIRE BRN WIRE DRIVER'S SIDE OUTSIDE MIRROR DRIVER'S SWITCH CLUSTER FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE 9 GRN WIRE GRN/RED WIRE GRY WIRE HEATING HORIZONTAL HOT W/ TERMINAL 15 RELAY ENERGIZED JUNCTION BOX ELECTRONICS NCA WIRE PASSENGER'S SIDE OUTSIDE MIRROR RED WIRE VERTICAL WHT WIRE YEL WIRE

ACC PDL GRD ACC PDL (+) ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM STARTING/CHARGING SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/RED/YEL WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRANKSHAFT BREATHER HEATING 1 (LEFT SIDE OF ENGINE) DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) E-BOX SIG FUSE GRN/RED WIRE GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEAK DIAG SIG LEAK DIAG SIG LEAK DIAG SIG SENSOR SOG SENSOR SIG SENSOR SIG NCA WIRE ORG/ WIRE OXYGEN SENSOR 1 BEFORE CATALYTIC (ON EXHAUST PIPE, BEFORE CATALYTIC) OXYGEN SENSOR 1 BEHIND CATALYTIC (RIGHT REAR OF ENGINE) OXYGEN SENSOR 2 BEFORE CATALYTIC (RIGHT REAR OF ENGINE) OXYGEN SENSOR 2 BEHIND CATALYTIC (RIGHT REAR OF ENGINE) RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY SECONDARY AIR PUMP SENSOR GRD SENSOR GRD SENSOR SIG SENSOR SIG WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/WHT WIRE