BMW 1 series F20/F21 (2011-2015) computer data lines system Wiring diagrams

BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER'S DOOR ENTRANCE LIGHT DRIVER'S SIDE FOOTWELL LIGHT ELECTRONICS JUNCTION BOX FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FRONT INTERIOR/ READING LIGHT FUSE 41 FUSE 77 FUSE 81 FUSE 86 FUSE 84 GLOVE COMPARTMENT LIGHT GRN WIRE GRY WIRE GRY/GRN WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LIGHT SWITCH UNIT ORG/GRN WIRE PASSENGER'S DOOR ENTRANCE LIGHT PASSENGER'S SIDE FOOTWELL LIGHT REAR INTERIOR LIGHT RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT LUGGAGE COMPARTMENT LIGHT TRUNK LID CENTRAL LOCKING DRIVE (ON REAR COMPT LID) VIO WIRE VIO/BRN WIRE WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DRIVER'S DOOR ENTRANCE LIGHT DRIVER'S SIDE FOOTWELL LIGHT FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) GRN WIRE GRY WIRE GRY/GRN WIRE LIGHT SWITCH UNIT ORG/GRN WIRE PASSENGER'S DOOR ENTRANCE LIGHT PASSENGER'S SIDE FOOTWELL RED WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE VIO WIRE VIO/BRN WIRE YEL WIRE

BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT ADJUSTMENT SWITCH DRIVER'S SEAT ANGLE ADJUSTMENT DRIVE (UNDER DRIVER SEAT) DRIVER'S SEAT BACKREST HEATING (IN DRIVER SEAT BACK) DRIVER'S SEAT CUSHION HEATING (IN DRIVER SEAT CUSHION) DRIVER'S SEAT HEIGHT ADJUSTMENT DRIVE UNIT (UNDER DRIVER SEAT) DRIVER'S SIDE EASY ENTRY SWITCH DRIVERS SEAT MODULE (UNDER DRIVER SEAT) ELECTRONICS JUNCTION BOX FUSE 46 GRN WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED RELAY ENERGIZED FUSE VIO WIRE VIO/BLK WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN 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) AERIAL DIVERSITY (BOTTOM CENTER OF REAR WINDOW) 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 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

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

AMPLIFIER (LEFT SIDE OF ANTENNA DIVERSITY (IF EQUIPPED) BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CONTROLLER COUPE CONVERTIBLE DASH) FM ANTENNA 2 ANTENNA (CONVERTIBLE) (CONVERTIBLE) FM ANTENNA 3 (CONVERTIBLE) FUSE FUSE 15 GRN WIRE GRY WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF LEFT FRONT MID-RANGE SPEAKER LEFT FRONT TWEETER LEFT REAR HI-RANGE SPEAKER LEFT SIDE TRIM PANEL MID-RANGE SPEAKER LEFT SUBWOOFER NCA WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM REAR COMPT) REAR WINDOW ANTENNA (COUPE) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/VIO 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 VIO WIRE W/ AUTOMATIC START/STOP FUNCTION W/O AUTOMATIC START/STOP FUNCTION WHT WIRE YEL/BLK 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 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

BRN/BLK WIRE BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FUSE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE HOT W/ TERMINAL 15 RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT CENTER ULTRASONIC SENSOR (LEFT SIDE OF FRONT BUMPER) LEFT FRONT ULTRASONIC SENSOR (LEFT END OF FRONT BUMPER) LEFT REAR CENTER ULTRASONIC SENSOR (LEFT SIDE OF REAR BUMPER) LEFT REAR ULTRASONIC SENSOR (LEFT END OF REAR BUMPER) ORG/GRN WIRE PARK DISTANCE CONTROL (PDC) (RIGHT SIDE OF REAR COMPT) POWER DISTRIBUTION SYSTEM RIGHT REAR CENTER ULTRASONIC SENSOR (RIGHT SIDE OF REAR BUMPER) RIGHT REAR ULTRASONIC SENSOR (RIGHT END OF REAR BUMPER) WHT WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE YEL/GRY WIRE

BLU WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM ELECTRONICS JUNCTION BOX FUSE GRN WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE ORG/ WIRE ORG/GRN WIRE PASSENGER'S SEAT ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST HEATING (IN PASSENGER SEAT BACK) PASSENGER'S SEAT CUSHION HEATING (IN PASSENGER SEAT CUSHION) PASSENGER'S SEAT MODULE (UNDER FRONT PASSENGER'S SEAT) RED WIRE RED/BRN WIRE RED/YEL WIRE RELAY ENERGIZED RELAY ENERGIZED FUSE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE

ALTERNATOR BATTERY BATTERY SENSOR (RIGHT SIDE OF REAR COMPT) BLU WIRE BRN WIRE CAR ACCESS SYSTEM COMPUTER DATA LINES SYSTEM CONVERTIBLE TOP RELAY 1 CONVERTIBLE TOP RELAY 2 DME CONTROL MODULE DME RELAY DRIVER'S SEAT HEATING MODULE ELECTRIC COOLANT PUMP ELECTRONIC POWER STEERING (EPS) ENGINE CONTROLS FUSE CARRIER (RIGHT PLENUM CHAMBER E-BOX) FOOTWELL MODULE FUSE FUSE 106 FUSE 4 GRN WIRE GRY WIRE HEADLIGHT WASHER RELAY HOLDER (RIGHT SIDE OF REAR COMPT) FUSE 101 IGNITION, FUEL INJECTION RELAY (3.0L TWIN TURBO) JUMP START TERMINAL POINT (RIGHT SIDE OF ENGINE COMPT) JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LUGGAGE WELL B+ TERMINAL POINT N/A NCA WIRE PASSENGER'S SEAT HEATING MODULE REAR FUSE REAR WINDOW WIPER RELAY RED WIRE RED/BLK WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE ROOF FUNCTION CONTROL CENTER STARTER TO FUSE 67 (DIAGRAM 2 OF 5) VALVETRONIC RELAY VIO WIRE WHT WIRE