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

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

BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE CENTER CONSOLE SWITCH CENTER DRIVER'S SEAT BACKREST HEATING (IN DRIVER SEAT BACK) DRIVER'S SEAT CUSHION HEATING (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 (IN PASSENGER SEAT BACK) PASSENGER'S SEAT CUSHION HEATING (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 BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE ELECTRONIC STEERING WHEEL MODULE ELECTRONICS JUNCTION BOX FUSE SIDE OF DASH) GRN WIRE GRN/RED WIRE HOT W/ TERMINAL 15 RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT RED WIRE STEERING COLUMN SWITCH CLUSTER STEERING WHEEL HEATER SWITCH STEERING WHEEL HEATING W/ TEMPERATURE SENSOR WHT WIRE

AUX-IN CONNECTION BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/ORG WIRE CCC/M-ASK CENTRAL INFORMATION DISPLAY COMPUTER DATA LINES SYSTEM DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) ELECTRONICS JUNCTION BOX FUSE FUSE 18 FUSE 19 GRN WIRE GRY WIRE GRY/RED WIRE HOT W/ HOT W/ BISTABLE RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT MICROPHONE MOST DATA BUS CIRCUIT NCA WIRE ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RELAY ENERGIZED TCU VIDEO MODULE (LEFT SIDE OF REAR COMPT) WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/RED 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) BLK WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE CAR INFORMATION COMPUTER CIC CD CHANGER (LEFT SIDE OF REAR COMPT) CENTRAL INFORMATION DISPLAY COMPUTER DATA LINES SYSTEM CONVERTIBLE W/ SATELLITE RECEIVER COUPE DIGITAL TUNER (LEFT SIDE OF REAR COMPT) ELECTRONICS JUNCTION BOX FUSE FUSE 18 FUSE FUSE GPS ANTENNA GRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT MICROPHONE MOST DATA BUS CIRCUIT NCA WIRE ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE ROOF ANTENNA (COUPE) RTTI SPLITTER USB PORT VIDEO MODULE AUX-IN (LEFT SIDE OF CONNECTION REAR COMPT) W/O SATELLITE RECEIVER WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL 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) BLK WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE CAR INFORMATION COMPUTER CIC CD CHANGER (LEFT SIDE OF REAR COMPT) CENTRAL INFORMATION DISPLAY COMPUTER DATA LINES SYSTEM CONVERTIBLE W/ SATELLITE RECEIVER COUPE DIGITAL TUNER (LEFT SIDE OF REAR COMPT) ELECTRONICS JUNCTION BOX FUSE FUSE 18 FUSE FUSE GPS ANTENNA GRN WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT MICROPHONE MOST DATA BUS CIRCUIT NCA WIRE ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE ROOF ANTENNA (COUPE) RTTI SPLITTER USB PORT VIDEO MODULE AUX-IN (LEFT SIDE OF CONNECTION REAR COMPT) W/O SATELLITE RECEIVER WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CAR ACCESS SYSTEM COUPE DYNAMIC STABILITY CONTROL (DSC) ELECTRIC COOLANT PUMP ELECTRIC VACUUM PUMP RELAY ELECTRO- CHROMIC INTERIOR REAR-VIEW MIRROR ELECTRONICS JUNCTION BOX FOOTWELL MODULE FROM FUSE 12 (DIAGRAM 2 OF 5) FROM FUSE 3 (DIAGRAM 1 OF 5) FROM FUSE 73 (DIAGRAM 2 OF 5) FUEL PUMP RELAY FUSE FUSE 12 FUSE 72 FUSE 73 FUSE 89 FUSE FUSE 78 FUSE 80 FUSE FUSE FUSE 92 FUSE GEAR INDICATOR LIGHTING GRN WIRE INSTRUMENT CLUSTER CONTROL MODULE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT REAR TRUNK LID WINDOW RESISTOR DEFOGGER NCA WIRE OBDII SOCKET PASSENGER'S DOOR MICROWAVE SENSOR REAR WINDOW DEFROSTER LOCKOUT CIRCUIT (POSITIVE) REAR WINDOW DEFROSTER RELAY RED WIRE RED/BLK WIRE RED/GRN WIRE RIGHT REAR MICROWAVE SENSOR ROLLOVER PROTECTION CONTROLLER SECONDARY AIR PUMP RELAY SIREN WITH TILT ALARM SENSOR DRIVER'S DOOR MICROWAVE SENSOR SIREN, TILT ALARM SENSOR TO FUSE TO FUSE 41 (DIAGRAM 2 OF 5) TO TERMINAL VIO WIRE WIPER RELAY 1 WIPER RELAY 2 YEL WIRE

AUC PARK DISTANCE SENSOR CONTROL (PDC) BLK WIRE BLOWER OUTPUT STAGE BLU WIRE BRN WIRE CENTRAL INFORMATION DISPLAY COMBOX ULF-SBX-H CONTROLLER DIGITAL TUNER US DRIVER'S SEAT HEATING MODULE DRIVER'S SWITCH CLUSTER EJECT BOX ELECTRONICS JUNCTION BOX FROM BISTABLE RELAY (DIAGRAM 5 OF 5) FROM CAR ACCESS SYSTEM (DIAGRAM 3 OF 5) FROM FUSE 28 (DIAGRAM 3 OF 5) FROM FUSE JUNCTION BOX (DIAGRAM 3 OF 5) FUEL PUMP CONTROL (EKPS) FUSE FUSE 13 FUSE 18 FUSE 27 FUSE 57 FUSE 88 FUSE FUSE GEAR INDICATOR LIGHTING GRN WIRE GRN/BLK WIRE GRY WIRE HEATING/AIR CONDITIONING SYSTEM HORN RELAY JUNCTION BOX LONGITUDINAL DYNAMICS MANAGEMENT NCA WIRE PASSENGER'S SEAT HEATING MODULE PASSENGER'S SIDE OUTSIDE MIRROR RED WIRE RED/BLU WIRE RIGHT GLOVE COMPARTMENT LUGGAGE COMPARTMENT LIGHT LIGHT RIGHT LEFT HORN HORN ROOF FUNCTION CONTROL CENTER SATELLITE RECEIVER STEERING COLUMN SWITCH CLUSTER TCU TELEPHONE RETROFIT PACKAGES CONNECTOR TELEPHONE TRANSCEIVER TERMINAL 15 RELAY TIRE PRESSURE CONTROL (RDC) TO DC/DC CONVERTER (DIAGRAM 5 OF 5) TO FUSE 20 (DIAGRAM 5 OF 5) TO FUSE 8 (DIAGRAM 5 OF 5) ULF ULF-SBX USB- HUB VIDEO MODULE VIO WIRE W/ AUTOMATIC ENGINE START-STOP FUNCTION W/ COMBOX W/ ULF-SBX-H W/ TCU W/ ULF W/ ULF-SBX W/O AUTOMATIC ENGINE START-STOP FUNCTION WHT 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

ANTI-THEFT SYSTEM BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLK WIRE BRN/VIO WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ELECTRONICS JUNCTION BOX FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE 22 FUSE 63 FUSE 65 GEAR INDICATOR LIGHT GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT MULTI- FUNCTION STEERING WHEEL SWITCH BLOCK LEFT ROCKER SWITCH NCA WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/YEL WIRE RELAY RIGHT MULTI-FUNCTION STEERING WHEEL SWITCH BLOCK RIGHT ROCKER SWITCH SELECTOR LEVER POSITION SWITCH (UNDER SHIFTER, IN CENTER CONSOLE) SHIFT LOCK SELECTOR LEVER LOCK (UNDER CENTER CONSOLE) STEERING COLUMN SWITCH CLUSTER STEPTRONIC SWITCH (UNDER SHIFTER, IN CENTER CONSOLE) TERMINAL TRANSMISSION CONTROL UNIT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE