BMW 1 series F20/F21 (2011-2015) junction box (under right side of dash) 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

ANTENNA (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 ANTENNA GRN WIRE INTERIOR PANEL) JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT MID-RANGE SPEAKER LEFT REAR MID-RANGE SPEAKER LEFT SUB- WOOFER MOST DATA BUS CIRCUIT 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 ANTENNA RTTI SPLITTER SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) SDARS AERIAL (CONVERTIBLE) VIDEO MODULE (LEFT SIDE OF REAR COMPT) W/ SATELLITE RECEIVER W/O SATELLITE RECEIVER W/O SATELLITE W/ SATELLITE RECEIVER RECEIVER WHT WIRE YEL/BRN WIRE YEL/RED WIRE

ACTIVATION ACTIVATION ACTIVATION ACTIVATION ACTIVATION AIR CONDITIONING SYSTEM BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE CAN H CAN L GND COMPUTER DATA LINES SYSTEM CONVERTIBLE CONVERTIBLE TOP DRIVE TOP DRIVE VALVE 3 VALVE 2 CONVERTIBLE TOP COMPARTMENT LID OPEN SWITCH CONVERTIBLE TOP DRIVE (RIGHT SIDE OF REAR COMPT) CONVERTIBLE TOP DRIVE VALVE 1 CONVERTIBLE TOP MODULE (BEHIND LEFT REAR SEAT) CONVERTIBLE TOP RELAY 1 (ON CONVERTIBLE TOP DRIVE) CONVERTIBLE TOP RELAY 2 (ON CONVERTIBLE TOP DRIVE) FUSE FUSE HOLDER (RIGHT SIDE OF REAR COMPT) GRN WIRE GRN/WHT WIRE HALL SENS SIG HALL SENS SIG HALL SENS SPLY HALL SENS SPLY HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE ORG/GRN WIRE REAR FUSE RED WIRE RED/GRY WIRE RED/WHT WIRE RELAY ENERGIZED SIG SIG HALL SENS SIG HALL SENS SIG HALL SENS SIG HALL SENS SIG SPLY SPLY HALL SENS SPLY HALL SENS SPLY HALL SENS SPLY HALL SENS SPLY SW SIG WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/RED 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

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

AUX-IN CONNECTION BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/ORG WIRE CD CHANGER (LEFT SIDE OF COMPUTER DATA LINES SYSTEM CONTROLLER COUPE FUSE 14 FUSE 18 FUSE 19 FUSE 27 GRN WIRE GRY/RED WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT MICROPHONE MOST DATA BUS CIRCUIT NCA WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM RADIO REAR COMPT) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RELAY ENERGIZED ROOF ANTENNA SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) SDARS ANTENNA (CONVERTIBLE) VIO WIRE W/ ANTENNA DIVERSITY W/ AUTOMATIC START/STOP FUNCTION W/O AUTOMATIC START/STOP FUNCTION W/O ANTENNA DIVERSITY W/O SATELLITE SATELLITE RECEIVER RECEIVER W/O W/ SATELLITE SATELLITE RECEIVER RECEIVER WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

BLK WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE DRIVER LUMBAR SUPPORT VALVE BLOCK (LEFT SIDE OF DRIVER SEAT BACK) DRIVER'S LUMBAR SUPPORT SWITCH DRIVER'S SEAT VACUUM PUMP (RIGHT SIDE OF DRIVER SEAT BACK) FUSE 20 GRY WIRE GRY/BLK WIRE HOT W/ JUNCTION BOX (UNDER RIGHT SIDE OF DASH) PASSENGER'S LUMBAR SUPPORT SWITCH PASSENGER'S LUMBAR SUPPORT VALVE BLOCK (RIGHT SIDE OF PASSENGER SEAT BACK) PASSENGER'S SEAT VACUUM PUMP (LEFT SIDE OF PASSENGER SEAT BACK) RED WIRE RED/BLK WIRE RELAY ENERGIZED SPORT SEATS CIRCUIT VIO WIRE

BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE DRIVER BACKREST WIDTH ADJUSTMENT VALVE BLOCK (RIGHT SIDE OF DRIVER SEAT BACK) DRIVER'S LUMBAR SUPPORT SWITCH DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH DRIVER'S SEAT VACUUM PUMP (RIGHT SIDE OF DRIVER SEAT BACK) FUSE 20 GRY WIRE GRY/BLK WIRE GRY/GRN WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) PASSENGER'S LUMBAR SUPPORT SWITCH PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH PASSENGER'S SEAT VACUUM PUMP (LEFT SIDE OF PASSENGER SEAT BACK) RED WIRE RED/BLK WIRE RELAY ENERGIZED

BRN WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES FUSE HOT IN JUNCTION BOX (UNDER RIGHT SIDE OF DASH) OR RUN FUSE ORG/GRN WIRE RED/GRY WIRE RED/WHT WIRE RELAY ENERGIZED FUSE ROOF FUNCTION CONTROL CENTER SLIDE/TILT SUNROOF DRIVE UNIT (IN ROOF CONSOLE) YEL/GRN WIRE YEL/WHT WIRE