BMW 1 series F20/F21 (2011-2015) most data bus circuit 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

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

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

BLK WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/ORG WIRE CCC/M-ASK CD CHANGER (LEFT SIDE OF REAR COMPT) COUPE DIGITAL TUNER (DAB) (LEFT SIDE OF REAR COMPT) GPS ANTENNA GRN WIRE M-ASK/CCC FAN (INTEGRAL TO M-ASK/CCC UNIT) MOST DATA BUS CIRCUIT NCA WIRE RED/BLK WIRE RED/BLU WIRE ROOF ANTENNA RTTI SPLITTER SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) SDARS ANTENNA WHT WIRE YEL WIRE YEL/BLK 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

BLK WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/ORG WIRE CCC/M-ASK CD CHANGER (LEFT SIDE OF REAR COMPT) COUPE DIGITAL TUNER (DAB) (LEFT SIDE OF REAR COMPT) GPS ANTENNA GRN WIRE M-ASK/CCC FAN (INTEGRAL TO M-ASK/CCC UNIT) MOST DATA BUS CIRCUIT NCA WIRE RED/BLK WIRE RED/BLU WIRE ROOF ANTENNA RTTI SPLITTER SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) SDARS ANTENNA WHT WIRE YEL WIRE YEL/BLK 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

AMPLIFIER (LEFT SIDE OF REAR COMPT) BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE FUSE 15 GRN 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 REAR MID-RANGE SPEAKER LEFT SUBWOOFER MOST DATA BUS CIRCUIT 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 REAR MID-RANGE SPEAKER RIGHT SUBWOOFER W/ AUTOMATIC START/STOP FUNCTION W/O AUTOMATIC START/STOP FUNCTION YEL/BRN WIRE YEL/RED WIRE