BMW 1 series F20/F21 (2011-2015) blu/wht Wiring diagrams

1 2 3 4 5 6 STEERING SIG STEERING SIG STEERING SIG ACTIVE STEERING (BEHIND LEFT FRONT WHEEL) BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE CAN-BUS CAN-BUS COMPUTER DATA LINES SYSTEM ECO VALVE (UNDER STARTER) ECO VLV SIG SOL VLV ELECTRIC LOCK (ON STEERING MOTOR ASSEMBLY) FUSE 49 SIDE OF DASH) JUNCTION BOX (UNDER RIGHT NCA WIRE RED WIRE RED/BRN WIRE RED/GRN WIRE RELAY ENERGIZED STEERING GEAR (ON STEERING RACK ASSEMBLY) SUPPLY STEERING GND VIO/GRN WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BRN 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 12 GND CAN BUS SIG CAN BUS SIG 1 2 3 4 5 6 7 8 LIN BUS SIG STEPPER GND STEPPER SPLY SENS SIG 9 10 11 12 SENS GND AUC SENSOR (RIGHT REAR OF ENGINE COMPT) AUXILIARY WATER PUMP (LEFT REAR OF ENGINE COMPT) BLK WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLOWER MOTOR (ON HVAC UNIT) BLOWER OUTPUT STAGE BLOWER SIG SENS GND BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE CENTER CONSOLE SWITCH CENTER COMPUTER DATA LINES SYSTEM CONDENSATION SENSOR (CENTER OF WINDSHIELD) CONVERTIBLE TOP MODULE (BEHIND LEFT REAR SEAT) COOLANT PRESSURE SENSOR (RIGHT FRONT OF ENGINE COMPT) ELECTRONICS JUNCTION BOX EVAPORATOR TEMPERATURE SENSOR (ON HVAC UNIT) FUSE 6 FUSE 77 FUSE 88 GRN WIRE GRN/RED WIRE HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HOT AT ALL TIMES HOT W/ HOT W/ TERMINAL 15 RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT SIDE OF DASH) MIXING AIR CONTROL NCA WIRE ORG/GRN WIRE RED WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE REFRIGERANT COMPRESSOR CONTROL VALVE RELAY ENERGIZED ROOF FUNCTION CONTROL CENTER SENS SIG SENS SIG SENS SIG SENS SPLY SOLAR SENSOR (TOP CENTER OF DASH) SW CENTER SIG SW CENTER SIG VENTILATION TEMPERATURE SENSOR (ON HVAC UNIT) WATER VALVE (LEFT SIDE OF AUXILIARY WATER PUMP) WHT WIRE WHT/BRN WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONICS JUNCTION BOX FRONT INTERIOR LIGHT FUSE 25 FUSE 41 FUSE 62 FUSE 7 FUSE 77 FUSE 81 FUSE 86 FUSE 84 GLOVE COMPARTMENT LIGHT GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HOT AT ALL TIMES HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) HOT IN ON OR START HOT W/ TERMINAL INTERIOR LIGHTS LEFT FRONT MAKE UP MIRROR SWITCH LEFT FRONT MAKE- UP MIRROR LIGHT MAP READING LIGHT ORG/GRN WIRE POWER DISTRIBUTION SYSTEM REAR INTERIOR LIGHT RED WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT MAKE UP MIRROR SWITCH RIGHT FRONT MAKE- UP MIRROR LIGHT RIGHT LUGGAGE COMPARTMENT LIGHT ROOF FUNCTION CONTROL CENTER TOP LIGHTS TRUNK LID CENTRAL LOCKING DRIVE (ON REAR COMPT LID) VIO WIRE WHT WIRE YEL 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/WHT WIRE CENTRAL INFORMATION DISPLAY COMPT) COOLANT LEVEL SWITCH (RIGHT SIDE OF ENGINE ELECTRIC FUEL PUMP (RIGHT TANK HALF FUEL LEVEL SENSOR) (UNDER RIGHT REAR SEAT) ELECTRONICS JUNCTION BOX FUSE 74 GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT TANK HALF FUEL LEVEL SENSOR (UNDER LEFT REAR SEAT) ORG/ WIRE ORG/GRN WIRE OUTSIDE TEMPERATURE SENSOR (FRONT CENTER OF BUMPER) PARKING BRAKE WARNING SWITCH RED WIRE RED/BLU WIRE STEERING COLUMN SWITCH CLUSTER WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 (18 TO 21 PINS NOT USED) 22 AERIAL DIGITAL TUNER (CONVERTIBLE) AERIAL DIGITAL TUNER 2 (CONVERTIBLE) AERIAL DIVERSITY (BOTTOM CENTER OF REAR WINDOW) BLK WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CAR INFORMATION COMPUTER CIC CENTRAL INFORMATION DISPLAY COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE ELECTRONICS JUNCTION BOX FM AERIAL 2 FM AERIAL 3 FUSE GRN WIRE GRY/RED WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT MICROPHONE NCA WIRE ORG/ WIRE ORG/GRN WIRE REAR WINDOW AUX-IN AERIAL CONNECTION (COUPE) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE USB PORT WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

AERIAL (CONVERTIBLE) BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CD CHANGER (LEFT SIDE OF REAR COMPT) COUPE CONVERTIBLE DIGITAL TUNER (LEFT SIDE OF REAR COMPT) FUSE 18 FUSE 19 GPS AERIAL GRN WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT MID-RANGE SPEAKER LEFT REAR MID-RANGE SPEAKER LEFT SUB- WOOFER MOST-BUS CONNECTOR NCA WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT MID-RANGE SPEAKER RIGHT REAR MID-RANGE SPEAKER RIGHT SUB- WOOFER ROOF AERIAL RTTI SPLITTER SAT SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) SDARS AERIAL TCU/ULF/ULF- SBX/ULF-SBX-H 1 2 WHT WIRE YEL/BRN WIRE YEL/RED WIRE

AMPLIFIER (LEFT SIDE OF ANTENNA DIVERSITY (IF EQUIPPED) BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CONTROLLER COUPE CONVERTIBLE DASH) FM ANTENNA 2 ANTENNA (CONVERTIBLE) (CONVERTIBLE) FM ANTENNA 3 (CONVERTIBLE) FUSE FUSE 15 GRN WIRE GRY WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF LEFT FRONT MID-RANGE SPEAKER LEFT FRONT TWEETER LEFT REAR HI-RANGE SPEAKER LEFT SIDE TRIM PANEL MID-RANGE SPEAKER LEFT SUBWOOFER NCA WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM REAR COMPT) REAR WINDOW ANTENNA (COUPE) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT TWEETER RIGHT REAR HI-RANGE SPEAKER RIGHT SIDE TRIM PANEL MID-RANGE SPEAKER RIGHT SUBWOOFER VIO WIRE W/ AUTOMATIC START/STOP FUNCTION W/O AUTOMATIC START/STOP FUNCTION WHT WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE

AMPLIFIER (LEFT SIDE OF REAR COMPT) ANTENNA (CONVERTIBLE) ANTENNA DIVERSITY (IF EQUIPPED) BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE COUPE FM ANTENNA 2 (CONVERTIBLE) FM ANTENNA 3 (CONVERTIBLE) FUSE 15 GRN WIRE GRY WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT MID-RANGE SPEAKER LEFT FRONT TWEETER LEFT REAR HI-RANGE SPEAKER LEFT SIDE TRIM PANEL MID-RANGE SPEAKER LEFT SUBWOOFER MOST DATA BUS CIRCUIT NCA WIRE REAR WINDOW AERIAL (COUPE) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT TWEETER RIGHT REAR HI-RANGE SPEAKER RIGHT SIDE TRIM PANEL MID-RANGE SPEAKER RIGHT SUBWOOFER SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) W/ SATELLITE RECEIVER W/O SATELLITE RECEIVER 5 6 WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL/BRN WIRE YEL/RED WIRE

BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER CONSOLE SWITCH CENTER GRN/VIO WIRE NCA WIRE PASSENGER EASY ENTRY SWITCH PASSENGER SEAT MODULE (UNDER FRONT PASSENGER'S SEAT) PASSENGER'S BACKREST ANGLE ADJUSTMENT DRIVE (UNDER PASSENGER SEAT, ON TRACK) PASSENGER'S SEAT ANGLE ADJUSTMENT DRIVE (UNDER PASSENGER SEAT) PASSENGER'S SEAT FORWARD/ BACKWARD ADJUSTMENT DRIVE (UNDER PASSENGER SEAT) PASSENGER'S SEAT HEIGHT ADJUSTMENT DRIVE (UNDER PASSENGER SEAT, ON TRACK) RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE VIO WIRE VIO/BLK WIRE VIO/BRN WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE

ACC PDL GND ACC PDL (+) ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM STARTING/CHARGING SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE VACUUM PRESSURE SENSOR (LEFT REAR OF ENGINE COMPT) BRN WIRE BRN/BLU WIRE BRN/GRY 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) FUEL PUMP CONTROL (EKPS) FUSE GRN/RED WIRE GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS NCA WIRE ORG/ WIRE OXYGEN SENSOR 2 AFTER CATALYTIC CONVERTER OXYGEN SENSOR 2 BEFORE CATALYTIC CONVERTER (RIGHT REAR OF ENGINE) OXYGEN SENSOR AFTER CATALYTIC CONVERTER OXYGEN SENSOR BEFORE CATALYTIC CONVERTER (ON EXHAUST PIPE, BEFORE CATALYTIC) RADIATOR OUTLET TEMPERATURE SENSOR (RIGHT SIDE OF ENGINE) RED WIRE RED/BLK WIRE RED/WHT WIRE SENSOR GND SENSOR GND SENSOR SIG SENSOR SIG TERMINAL WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE