BMW 3 series F30/F31 (2011-2015) head unit Wiring diagrams

4 3 2 1 5 EXTERIOR MIRROR CAMERA ALL ROUND VISION CAMERA (LEFT KICK PANEL) BLU WIRE BRN WIRE BRN/WHT WIRE CENTER CONSOLE OPERATING UNIT COMPUTER DATA LINES SYSTEM DRIVER'S EXTERIOR MIRROR FRONT PASSENGER'S EXTERIOR MIRROR FUSE 154 FUSE HOLDER (RIGHT SIDE OF REAR COMPT) GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/YEL WIRE HEAD UNIT HOT W/ TERMINAL INTEGRATED CHASSIS MANAGEMENT (UNDER CENTER CONSOLE) LEFT BUMPER CAMERA (FRONT OF LEFT FRONT WHEELWELL) NCA WIRE ORG/ WIRE ORG/GRN WIRE REAR RED WIRE REVERSING CAMERA (CENTER REAR OF TRUNK LID) RIGHT BUMPER CAMERA (FRONT OF RIGHT FRONT WHEELWELL) W/ NAVIGATION SYSTEM PROFESSIONAL W/O NAVIGATION SYSTEM PROFESSIONAL WHT WIRE YEL/BLU WIRE

1 2 MOST DATA BUS CIRCUIT AERIAL AMPLIFIER BASE PLATE BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 121 FUSE 124 FUSE 155 FUSE 127 GPS ANTENNA GRN WIRE GRY WIRE GRY/BRN WIRE GRY/RED WIRE HEAD UNIT HOT W/ TERMINAL MOST DATA BUS CIRCUIT NCA WIRE NOISE SUPPRESSOR FILTER ORG/ WIRE ORG/GRN WIRE REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) REAR WINDOW ANTENNA REAR WINDOW DEFOGGER REJECTOR CIRCUIT REAR WINDOW DEFOGGER REJECTOR CIRCUIT 2 RED WIRE RED/VIO WIRE RED/YEL WIRE ROOF AERIAL VIDEO MODULE (LEFT SIDE OF REAR COMPT) VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

ALL ROUND VISION CAMERA (LEFT KICK PANEL) BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BRN WIRE CENTRAL INFORMATION DISPLAY DVD CHANGER GRN WIRE GRY WIRE GRY/BRN WIRE GRY/RED WIRE HEAD UNIT LEFT FRONT MID-RANGE SPEAKER LEFT FRONT WOOFER LEFT REAR MID-RANGE SPEAKER MICROPHONE MOST DATA BUS CIRCUIT NCA WIRE ORG/ WIRE RED WIRE RED/YEL WIRE RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT WOOFER RIGHT REAR MID-RANGE SPEAKER VIO WIRE W/ DVD CHANGER W/ NAVIGATION SYSTEM PROFESSIONAL W/ OPTIONAL EQUIPMENT W/ VIDEO MODULE W/ VIDEO MODULE, DVD CHANGER W/O ALL ROUND VISION CAMERA W/ VIDEO MODULE, W/O DVD CHANGER W/O NAVIGATION SYSTEM PROFESSIONAL W/O OPTIONAL EQUIPMENT W/O VIDEO MODULE W/O W/ VIDEO VIDEO MODULE, DVD MODULE CHANGER W/O ALL ROUND VISION CAMERA WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

18 19 PT CAN L PT CAN H 33 34 9 10 51 52 FLEX BUS SIG FLEX BUS SIG 36 45 30 DATA LINE BUS SIG DIAG FLEX BUS SIG 42 27 K-LIN K-LIN-1 AC LINE ACTIVE SOUND DESIGN BLK/BRN WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER OUTPUT STAGE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/YEL WIRE BUS SIG BUS SIG BUS SIG PT CAN L PT CAN H BUS SIG BUS SIG (OR PNK) WIRE BUS SIG DIAG DATA LINE CAN L CENTER OF WINDSHIELD) DATA LINE DATA LINE PNK PNK BUS SIG WIRE DRIVER'S DOOR SWITCH BLOCK DRIVER'S EXTERIOR MIRROR ELECTROCHROMIC INTERIOR REARVIEW MIRROR ELECTRONIC DAMPER CONTROL (RIGHT REAR OF LUGGAGE COMPT) FRONT ELECTRONIC MODULE (FEM) (RIGHT END OF DASH) FRONT PASSENGER EXTERIOR MIRROR FUSE FUSE 12 GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/VIO WIRE HEAD UNIT HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) HIFI AMPLIFIER HIGH VARIANT ROOF FUNCTION MODULE HOT AT ALL TIMES FUSE BOX INSTRUMENT CLUSTER CONTROL MODULE K CAN BUS K CAN BUS K LINE K-LIN K-LIN-1 LIGHT SWITCH UNIT LIN BUS SIG ORG/ WIRE ORG/GRN WIRE PNK 13 14 15 16 17 18 19 20 21 22 23 WIRE PNK 24 25 26 27 WIRE PNK BUS SIG BUS SIG WIRE PNK PNK FLEX BUS SIG WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/RED WIRE PNK/WHT WIRE PT CAN H PT CAN L RED WIRE RED/BLU WIRE RELAY ENERGIZED RWD SPLY STEERING COLUMN SWITCH CLUSTER WHT/BLU WIRE WHT/BRN WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

1 2 MOST DATA BUS CIRCUIT ALL ROUND VISION CAMERA (LEFT KICK PANEL) BASE PLATE BLK WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DVD CHANGER FUSE 121 FUSE 125 FUSE 127 6 6 5 5 GPS ANTENNA GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRY WIRE GRY/RED WIRE HEAD UNIT HOLDER (RIGHT SIDE OF REAR COMPT) FUSE 124 HOT W/ TERMINAL MOST DATA BUS CIRCUIT NCA WIRE ORG/ WIRE ORG/GRN WIRE REAR FUSE REAR-WINDOW AERIAL RED WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE ROOF AERIAL VIO/BRN WIRE VIO/RED WIRE W/ DVD CHANGER W/ NAVIGATION SYSTEM PROFESSIONAL 5 6 W/ NAVIGATION W/O NAVIGATION W/ VIDEO MODULE W/ VIDEO MODULE, DVD CHANGER W/O ALL ROUND VISION CAMERA W/ VIDEO MODULE, W/O DVD CHANGER W/O NAVIGATION SYSTEM PROFESSIONAL W/O VIDEO MODULE W/O W/ VIDEO MODULE, DVD CHANGER W/O ALL ROUND VISION CAMERA VIDEO MODULE WHT WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

AUX-IN CONNECTION BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BRN (OR VIO) WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE CENTRAL INFORMATION DISPLAY COMPUTER DATA LINES SYSTEM FRONT CENTER MID-RANGE SPEAKER GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRY WIRE GRY/BRN WIRE GRY/RED WIRE HEAD UNIT HIFI AMPLIFIER HOT W/ LEFT FRONT MID-RANGE SPEAKER LEFT FRONT TWEETER LEFT FRONT WOOFER LEFT REAR MID-RANGE SPEAKER NCA WIRE ORG/ WIRE RED WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED REAR FUSE 122 FUSE HOLDER (RIGHT SIDE OF REAR COMPT) RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT TWEETER RIGHT FRONT WOOFER RIGHT REAR MID-RANGE SPEAKER VIO WIRE VIO/BRN WIRE VIO/RED WIRE W/ OPTIONAL EQUIPMENT W/O OPTIONAL EQUIPMENT WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BRN WIRE YEL/RED WIRE

1 2 MOST DATA BUS CIRCUIT ALL ROUND VISION CAMERA (LEFT KICK PANEL) BASE PLATE BLK WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM DVD CHANGER FUSE 121 FUSE 125 FUSE 127 6 6 5 5 GPS ANTENNA GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRY WIRE GRY/RED WIRE HEAD UNIT HOLDER (RIGHT SIDE OF REAR COMPT) FUSE 124 HOT W/ TERMINAL MOST DATA BUS CIRCUIT NCA WIRE ORG/ WIRE ORG/GRN WIRE REAR FUSE REAR-WINDOW AERIAL RED WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE ROOF AERIAL VIO/BRN WIRE VIO/RED WIRE W/ DVD CHANGER W/ NAVIGATION SYSTEM PROFESSIONAL 5 6 W/ NAVIGATION W/O NAVIGATION W/ VIDEO MODULE W/ VIDEO MODULE, DVD CHANGER W/O ALL ROUND VISION CAMERA W/ VIDEO MODULE, W/O DVD CHANGER W/O NAVIGATION SYSTEM PROFESSIONAL W/O VIDEO MODULE W/O W/ VIDEO MODULE, DVD CHANGER W/O ALL ROUND VISION CAMERA VIDEO MODULE WHT WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

AUX-IN CONNECTION BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BRN (OR VIO) WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE CENTRAL INFORMATION DISPLAY COMPUTER DATA LINES SYSTEM FRONT CENTER MID-RANGE SPEAKER GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRY WIRE GRY/BRN WIRE GRY/RED WIRE HEAD UNIT HIFI AMPLIFIER HOT W/ LEFT FRONT MID-RANGE SPEAKER LEFT FRONT TWEETER LEFT FRONT WOOFER LEFT REAR MID-RANGE SPEAKER NCA WIRE ORG/ WIRE RED WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED REAR FUSE 122 FUSE HOLDER (RIGHT SIDE OF REAR COMPT) RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT TWEETER RIGHT FRONT WOOFER RIGHT REAR MID-RANGE SPEAKER VIO WIRE VIO/BRN WIRE VIO/RED WIRE W/ OPTIONAL EQUIPMENT W/O OPTIONAL EQUIPMENT WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BRN WIRE YEL/RED WIRE

1 2 MOST DATA BUS CIRCUIT AERIAL AMPLIFIER BASE PLATE BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 121 FUSE 124 FUSE 155 FUSE 127 GPS ANTENNA GRN WIRE GRY WIRE GRY/BRN WIRE GRY/RED WIRE HEAD UNIT HOT W/ TERMINAL MOST DATA BUS CIRCUIT NCA WIRE NOISE SUPPRESSOR FILTER ORG/ WIRE ORG/GRN WIRE REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) REAR WINDOW ANTENNA REAR WINDOW DEFOGGER REJECTOR CIRCUIT REAR WINDOW DEFOGGER REJECTOR CIRCUIT 2 RED WIRE RED/VIO WIRE RED/YEL WIRE ROOF AERIAL VIDEO MODULE (LEFT SIDE OF REAR COMPT) VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

ALL ROUND VISION CAMERA (LEFT KICK PANEL) BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLU WIRE BLU/BRN WIRE BLU/RED WIRE BRN WIRE CENTRAL INFORMATION DISPLAY DVD CHANGER GRN WIRE GRY WIRE GRY/BRN WIRE GRY/RED WIRE HEAD UNIT LEFT FRONT MID-RANGE SPEAKER LEFT FRONT WOOFER LEFT REAR MID-RANGE SPEAKER MICROPHONE MOST DATA BUS CIRCUIT NCA WIRE ORG/ WIRE RED WIRE RED/YEL WIRE RIGHT FRONT MID-RANGE SPEAKER RIGHT FRONT WOOFER RIGHT REAR MID-RANGE SPEAKER VIO WIRE W/ DVD CHANGER W/ NAVIGATION SYSTEM PROFESSIONAL W/ OPTIONAL EQUIPMENT W/ VIDEO MODULE W/ VIDEO MODULE, DVD CHANGER W/O ALL ROUND VISION CAMERA W/ VIDEO MODULE, W/O DVD CHANGER W/O NAVIGATION SYSTEM PROFESSIONAL W/O OPTIONAL EQUIPMENT W/O VIDEO MODULE W/O W/ VIDEO VIDEO MODULE, DVD MODULE CHANGER W/O ALL ROUND VISION CAMERA WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE