BMW 1 series F20/F21 (2011-2015) electronics junction box Wiring diagrams

BLU WIRE BRN WIRE CENTER CONSOLE SWITCH CENTER COMPUTER DATA LINES SYSTEM DRIVER'S SEAT BACKREST HEATING ELEMENT (IN DRIVER SEAT BACK) DRIVER'S SEAT CUSHION HEATING ELEMENT (IN DRIVER SEAT CUSHION) DRIVERS SEAT MODULE (UNDER DRIVER SEAT) ELECTRONICS JUNCTION BOX FUSE 45 FUSE 46 GRN WIRE HEATING/ AIR CONDITIONING JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE ORG/GRN WIRE PASSENGER SEAT MODULE (UNDER FRONT PASSENGER'S SEAT) PASSENGER'S SEAT BACKREST HEATING ELEMENT (IN PASSENGER SEAT BACK) PASSENGER'S SEAT CUSHION HEATING ELEMENT (IN PASSENGER SEAT CUSHION) RED WIRE RED/BRN WIRE RED/YEL WIRE RELAY ENERGIZED RELAY ENERGIZED FUSE 77 SYSTEM (CENTER OF DASH, ABOVE RADIO) WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE

BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE CENTER CONSOLE SWITCH CENTER DRIVER'S SEAT BACKREST HEATING ELEMENT (IN DRIVER SEAT BACK) DRIVER'S SEAT CUSHION HEATING ELEMENT (IN DRIVER SEAT CUSHION) DRIVER'S SEAT HEATING MODULE (UNDER DRIVER SEAT) ELECTRONICS JUNCTION BOX FUSE 10 FUSE 3 FUSE 68 GRN WIRE GRN/BRN WIRE GRN/RED WIRE HEATING/AIR CONDITIONING HOT AT ALL TIMES HOT W/ TERMINAL 15 RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE PASSENGER'S SEAT BACKREST HEATING ELEMENT (IN PASSENGER SEAT BACK) PASSENGER'S SEAT CUSHION HEATING ELEMENT (IN PASSENGER SEAT CUSHION) PASSENGER'S SEAT HEATING MODULE (UNDER FRONT PASSENGER'S SEAT) RED WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED FUSE 77 SYSTEM (CENTER OF DASH, ABOVE RADIO) VIO WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE

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

BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE ELECTRONICS JUNCTION BOX FUEL FILLER FLAP CENTRAL LOCKING DRIVE (RIGHT SIDE OF REAR COMPT) FUSE GRN WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HOTEL SWITCH JUNCTION BOX (UNDER RIGHT SIDE OF DASH) ORG/GRN WIRE REAR LID RELEASE SWITCH (INTERIOR) TRUNK LID BUTTON TRUNK LID CENTRAL LOCKING DRIVE WHT/BRN WIRE YEL/BLU WIRE YEL/RED WIRE

BLK WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COUPE CONVERTIBLE ELECTRONICS JUNCTION BOX FUSE FUSE 50 GRN WIRE HEADLIGHT CLEANING SYSTEM RELAY HEADLIGHT WASHER PUMP HOT AT ALL TIMES HOT AT ALL TIMES REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) FUSE INSTRUMENT CLUSTER CONTROL UNIT JUNCTION BOX (UNDER LEFT HEATED WASHER NOZZLE NCA WIRE ORG/ WIRE ORG/GRN WIRE OUTSIDE TEMPERATURE SENSOR (FRONT CENTER OF BUMPER) RAIN/HEADLIGHT SENSOR (CENTER OF WINDSHIELD) RED WIRE RIGHT HEATED WASHER NOZZLE ROOF FUNCTION CONTROL CENTER VIO WIRE WASHER FLUID LEVEL SWITCH (BEHIND RIGHT FRONT WHEEL) WHT WIRE WIND- SHIELD WASHER PUMP WIPER MOTOR (LEFT SIDE OF WIND- SHIELD) WIPER RELAY 1 WIPER RELAY 2