BMW 1 series F20/F21 (2011-2015) junction box (under right 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 13 14 15 16 17 (18-21 PINS NOT USED) 22 ANTENNA DIVERSITY (IF EQUIPPED) AUX-IN CONNECTION 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) COMPUTER DATA LINES SYSTEM CONTROLLER FM ANTENNA ANTENNA 2 (CONVERTIBLE) (CONVERTIBLE) FUSE FUSE 18 SIDE OF DASH) GRN WIRE GRY/RED WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT LEFT FRONT MID-RANGE SPEAKER LEFT MICROPHONE (W/ HANDS FREE) LEFT REAR MID-RANGE SPEAKER LEFT SUBWOOFER MOST DATA BUS CIRCUIT NCA WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM RADIO REAR WINDOW AERIAL (COUPE) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT MID-RANGE SPEAKER RIGHT REAR MID-RANGE SPEAKER RIGHT SUBWOOFER ROOF ANTENNA SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) SDARS ANTENNA (CONVERTIBLE) FM ANTENNA 3 (CONVERTIBLE) TELEPHONE RETROFIT PACKAGES CONNECTOR TELEPHONE TRANSCEIVER (CENTER OF REAR COMPT) VIO WIRE W/O SATELLITE RECEIVER W/ SATELLITE RECEIVER WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/RED 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

ACTIVE CRUISE CONTROL BISTABLE RELAY BLK WIRE BLK/RED WIRE BOX) BRN WIRE CCC/M-ASK COMBOX COMFORT ACCESS CONTROL UNIT DC/DC CONVERTER (RIGHT REAR OF DRIVER'S LUMBAR SUPPORT SWITCH DRIVER'S LUMBAR SUPPORT VALVE BLOCK DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK EJECT BOX ELECTRONICS JUNCTION ENGINE COMPT) FROM FUSE 27 (DIAGRAM 4 OF 5) FROM HORN RELAY (DIAGRAM 4 OF 5) FROM JUNCTION BOX (DIAGRAM 3 OF 5) FROM JUNCTION BOX (DIAGRAM 4 OF 5) FROM TERMINAL FRONT CIGAR LIGHTER FUSE FUSE 21 FUSE 22 FUSE 23 FUSE FUSE GRN WIRE GRY WIRE INDEPENDENT/ AUXILIARY HEATING CONTROL JUNCTION BOX (UNDER RIGHT LUGGAGE REAR COMPARTMENT CENTER SOCKET OUTLET CONSOLE CHARGING SOCKET NCA WIRE PASSENGER'S LUMBAR SUPPORT SWITCH PASSENGER'S LUMBAR SUPPORT VALVE BLOCK PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/WHT/YEL WIRE RED/YEL WIRE RELAY (DIAGRAM 3 OF 5) SIDE OF DASH) TCU TO CAR ACCESS SYSTEM (DIAGRAM 3 OF 5) TO FUSE 25 (DIAGRAM 3 OF 5) TO FUSE 88 (DIAGRAM 4 OF 5) TO JUNCTION BOX (DIAGRAM 3 OF 5) TRAILER MODULE TRANSMISSION CONTROL UNIT) VIO WIRE W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION WHT WIRE YEL WIRE