BMW M3 E90 (2007-2013) nca Wiring diagrams

4.0L A/T ACTIVE BODYWORKS SYSTEM AERIAL DIVERSITY (CENTER REAR OF ROOF) ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE LIGHT SWITCH (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/BLK WIRE BRN/GRY WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CENTER CONSOLE CHAMBER E-BOX) CLUTCH SWITCH MODULE (M/T) (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM COUPE SEDAN, WAGON CONVERTIBLE CRASH SAFETY MODULE (REAR OF CRUISE CONTROL SYSTEM DC/DC CONVERTER (RIGHT PLENUM DUAL REMOTE CONTROL RECEIVER ELECTRIC STEERING COLUMN ADJUSTMENT (BEHIND STEERING WHEEL) ELECTROCHROMIC INTERIOR REAR VIEW MIRROR ELECTRONICS JUNCTION BOX EXCEPT 4.0L FBD RECEIVER FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUEL HEATER (3.0L TURBO DIESEL) FUEL INJECTOR RELAY (RIGHT REAR OF ENGINE COMPT) FUSE 36 FUSE 55 GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BRN WIRE HOOD CONTACT SWITCH HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) FUSE 61 M/T MULTIPLE RESTRAINT SYSTEM CONTROL MODULE NCA WIRE ORG/GRN WIRE RED WIRE RED/BLU WIRE RED/YEL WIRE RELAY REMOTE CONTROL RECEIVER SEAT OCCUPANCY RECOGNITION STARTING/CHARGING SYSTEM TCU TELE SIG LID CONTACT REAR LID SIG TERM R SIG TERM R SIG TERM R TERM R SIG TERMINAL TERMINAL 15 RELAY TRANS SIG TRANSMISSION CONTROL MODULE TRANSMISSIONS SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE VIO/BLU WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE W/ MULTIPLE RESTRAINT SYSTEM W/O MULTIPLE RESTRAINT SYSTEM WHT WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE YEL/VIO WIRE

17 1 14 RR WHL SPD PT CAN LOW PT CAN HIGH 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) CC/M-ASK COMPUTER DATA LINES SYSTEM DIGITAL MOTOR ELECTRONICS CONTROL UNIT DSC SENSOR (LEFT FRONT FOOTWELL) DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) EDC ELECTRONIC DAMPER CONTROL FUSE 26 FUSE 82 FUSE 90 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 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 VIO/YEL WIRE WARNING SWITCH (UNDER CENTER CONSOLE) WHT WIRE 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

ACTIVE STEERING (IF EQUIPPED) (BEHIND LEFT FRONT WHEEL) AUXILIARY FUSE CARRIER AUXILIARY FUSE CARRIER 2 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 BRN/VIO WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CC/M-ASK CENTER CONSOLE SWITCH CLUSTER COMPUTER DATA LINES SYSTEM COND WHL SPD F-CAN-LOW DSC SENS DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) DSC SENSOR (LEFT FRONT FOOTWELL) DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) EDC ELECTRONIC DAMPER CONTROL (RIGHT SIDE OF REAR COMPT) F-CAN HIGH RF WHL OUT FUSE GRN/RED WIRE HAZARD WARNING SWITCH HOT AT ALL TIMES HOT W/ JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT FRONT BRAKE PAD WEAR SENSOR (BEHIND LEFT FRONT WHEEL) 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 M/T NCA WIRE PARKING BRAKE WARNING SWITCH (UNDER CENTER CONSOLE) PT CAN LOW PT CAN HIGH RR WHL OUT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN (OR RED/GRY) WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT BRAKE PAD WEAR SENSOR RIGHT FRONT SPEED SENSOR (FRONT OF RIGHT FRONT WHEEL) RIGHT REAR BRAKE PAD WEAR SENSOR (FRONT OF RIGHT REAR 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/ TRANSMISSION SYSTEM CONTROL DKG 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 3 4 5 6 7 8 9 10 11 12 GND 1 2 3 4 5 6 7 8 9 10 11 GND CAN BUS SIG CAN BUS SIG 1 2 3 4 5 6 7 8 LIN BUS SIG STEPPER GND STEPPER SPLY SENS SIG SENS SIG 9 10 11 12 SENS GND A/C COMPRESSOR CONTROL VALVE AIR DISTRIBUTION MICRO SWITCH (CENTER OF DASH) AUC SENSOR (RIGHT REAR OF ENGINE COMPT) AUXILIARY WATER PUMP (LEFT REAR OF BLK WIRE 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 CENTER CONSOLE SWITCH CENTER COMPUTER DATA LINES SYSTEM CONDENSATION SENSOR (CENTER OF WINDSHIELD) COOLANT PRESSURE SENSOR (RIGHT FRONT OF ENGINE COMPT) ELECTRONICS JUNCTION BOX ENGINE COMPT) EVAPORATOR TEMPERATURE SENSOR (CENTER OF DASH) FOOTWELL TEMPERATURE SENSOR (CENTER OF DASH) FUSE 06 FUSE 16 FUSE 28 FUSE 77 FUSE 88 GRN WIRE GRN/RED WIRE HEATER HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HOT AT ALL TIMES HOT W/ HOT W/ DME RELAY ENERGIZED HOT W/ TERMINAL HOT W/ TERMINAL 15 15 RELAY ENERGIZED INDEPENDENT HEATING CIRCUIT JUNCTION BOX MIXING AIR CONTROL NCA WIRE ORG/GRN WIRE REAR COMPARTMENT FRESH AIR GRILLE RED WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED ROOF FUNCTION CONTROL CENTER SENS SIG SENS SIG SENS SPLY 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 WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

AIR DISTRIBUTION FLAP MOTOR (CENTER OF DASH, ABOVE RADIO) BLK/BLU WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM DEFROSTER FLAP MOTOR (BEHIND RIGHT SIDE OF DASH) DME CONTROL MODULE (RIGHT REAR OF ELECTRIC FAN (FRONT OF ENGINE COMPT) ELECTRIC FAN CUTOFF RELAY (RIGHT PLENUM CHAMBER E-BOX) ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR FOOTWELL FLAP MOTOR (CENTER OF DASH, ABOVE RADIO) FRESH AIR/ RECIRCULATED AIR FLAP MOTOR (BEHIND RIGHT SIDE OF DASH) FRONT MIXING FLAP MOTOR (LEFT SIDE OF DASH) FUSE GRN WIRE HOT AT ALL TIMES LEFT MIXED AIR FLAP MOTOR (CENTER OF DASH, ABOVE RADIO) MIXER FLAP MOTOR (CENTER OF DASH, ABOVE RADIO) NCA WIRE REAR COMPARTMENT MIXING AIR FLAP MOTOR (UNDER RIGHT SIDE OF DASH) REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) RED WIRE RED/GRN WIRE RIGHT MIXED AIR FLAP MOTOR (CENTER OF DASH, ABOVE RADIO) VENTILATION FLAP MOTOR WHT/RED WIRE YEL/GRN WIRE

18 19 K CAN L K CAN H 2 1 3 2 F CAN H F CAN L 2 1 F CAN H F CAN L 4 3 K CAN L K CAN H 5 6 3 9 8 F CAN H F CAN L WAKE-UP PT CAN H PT CAN L 5 6 5 6 K CAN L K CAN H 5 6 K CAN H K CAN L 6 7 K CAN L K CAN H 9 11 K CAN L K CAN H ACTIVE STEERING (IF EQUIPPED) (BEHIND LEFT FRONT WHEEL) BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) CAR INFORMATION COMPUTER CIC CAR INFORMATION COMPUTER CIC (W/ CIC) CENTRAL INFORMATION DISPLAY COMBOX DSC SENSOR (LEFT FRONT FOOTWELL) DSC SENSOR 2 (W/ ALL ACTIVE FRONT STEERING) (UNDER DRIVER'S SEAT) EXCEPT CONVERTIBLE FUSE 74 GRN ORG/ WIRE GRN WIRE GRN/RED WIRE HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL UNIT JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS K CAN H K CAN L K CAN L K CAN H LEFT FRONT SEAT MODULE MULTIPLE RESTRAINT SYSTEM CONTROL UNIT (REAR OF CENTER CONSOLE) NCA WIRE OBDII SOCKET (UNDER LEFT SIDE OF DASH) ORG/GRN WIRE RADIO (W/ RADIO) RED WIRE RED/YEL WIRE SIREN W/ TILT ALARM SENSOR W/O BOSCH W/ BOSCH WAKE-UP K CAN L K CAN H WHT/BLU WIRE WHT/YEL WIRE

1 2 5 WAKE-UP PT CAN L PT CAN H 1 2 K CAN H K CAN L 15 2 K CAN H K CAN L 16 9 13 PT CAN L PT CAN H 2 1 K CAN H K CAN L 2 3 K CAN H K CAN L 21 1 14 46 7 8 WAKE-UP PT CAN L PT CAN H 29 26 11 15 30 35 14 26 24 37 WAKE-UP F CAN L F CAN H PT CAN H PT CAN L 3 1 K CAN H K CAN L 3 2 PT CAN L PT CAN H 3 4 K CAN H K CAN L 3.0L EXCEPT 3.0L TWIN TWIN TURBO TURBO 4 3 10 WAKE-UP PT CAN L PT CAN H 4 3 K CAN L K CAN H 40 41 K CAN H K CAN L 45 46 43 44 K CAN L K CAN H PT CAN L PT CAN H 5 6 18 PT CAN H PT CAN L WAKE-UP 5 6 K CAN L K CAN H 8 2 K CAN H K CAN L ACTIVE CRUISE CONTROL (CENTER OF FRONT BUMPER) BATTERY SENSOR (RIGHT SIDE OF REAR COMPT) BLK WIRE BLK/BLU WIRE BLU/RED WIRE COMFORT ACCESS CONTROL MODULE (RIGHT SIDE OF REAR COMPT) CONTROLLER CONVERTIBLE TOP MODULE (CTM) DIGITAL DIESEL ELECTRONICS CONTROL UNIT (DIESEL) (RIGHT REAR ENGINE COMPT) DME CONTROL MODULE (EXCEPT DIESEL) (RIGHT REAR OF ENGINE COMPT) EDC ELECTRONIC DAMPER CONTROL (RIGHT SIDE OF REAR COMPT) ELECTROCHROMIC INTERIOR REAR VIEW MIRROR ELECTRONIC POWER STEERING (UNDER VEHICLE, NEAR RIGHT FRONT WHEEL) FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUEL PUMP CONTROL (EKPS) (RIGHT REAR PASSENGER COMPT) GEAR SELECTOR SWITCH GRN WIRE GRN/RED WIRE LONGITUDINAL DYNAMICS MANAGEMENT (LEFT SIDE OF DASH) NCA WIRE ORG/GRN WIRE PANORAMA GLASS ROOF PARK DISTANCE CONTROL (PDC) (RIGHT SIDE OF PT CAN H PT CAN L REAR COMPT) RED WIRE RED/GRN WIRE RIGHT FRONT SEAT MODULE (UNDER FRONT PASSENGER'S SEAT) ROOF FUNCTION CONTROL CENTER TIRE PRESSURE CONTROL (RDC) (RIGHT SIDE OF REAR COMPT) TRAILER MODULE (RIGHT SIDE OF REAR COMPT) TRANSFER BOX CONTROL UNIT (UNDER CARPET, ON RIGHT SIDE FOOTWELL) TRANSMISSION CONTROL (W/ 6 SPEED A/T) TRANSMISSION CONTROL DKG WAKE-UP WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE

BLK/BLU WIRE BLU/RED WIRE BRN WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) E-BOX FAN ELECTRIC FAN (FRONT OF ENGINE COMPT) ELECTRIC FAN CUTOFF RELAY (RIGHT PLENUM CHAMBER E-BOX) ENGINE COOLANT TEMPERATURE SENSOR (TOP OF ENGINE) FUSE HOT AT ALL TIMES REAR FUSE HOLDER FUSE HOT W/ DME RELAY ENERGIZED JUNCTION BOX FUSE (UNDER RIGHT SIDE OF DASH) HOT W/ TERMINAL NCA WIRE RED WIRE RED/GRN WIRE WHT/RED WIRE YEL/GRN WIRE

BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SIDE OUTSIDE MIRROR ELECTRONICS JUNCTION BOX FUSE 78 GRN WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) KICK PANEL) (3 SERIES: UNDER RIGHT SIDE OF DASH) LEFT FOOTWELL) NCA WIRE PASSENGER'S SIDE OUTSIDE MIRROR RED WIRE YEL WIRE

AUXILIARY HEATER COOLANT PUMP AUXILIARY HEATER SWITCH OVER VALVE BLK WIRE BRN WIRE BRN/RED WIRE ELECTRONICS JUNCTION BOX FUSE 23 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