BMW 3 series F30/F31 (2011-2015) computer data lines system Wiring diagrams

13 14 PNK WIRE 47 48 40 29 28 13 PNK WIRE BATTERY BLK WIRE BLU/BRN WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE CHARGING CIRCUIT CLUTCH MODULE (M/T) (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DIGITAL MOTOR ELECTRONICS (DME) CONTROL MODULE (TOP REAR OF ENGINE) ELECTRIC MACHINE ELECTRONICS (ATTACHED TO FRONT ELECTRONIC MODULE (RIGHT END OF DASH) FRONT POWER FUSE DISTRIBUTION BOX (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/BLU WIRE GRN/YEL WIRE HOT AT ALL TIMES INTELLIGENT BATTERY SENSOR (ON BATTERY NEGATIVE POST) JUMP START TERMINAL POINT (RIGHT SIDE OF ENGINE COMPT) NCA WIRE POSITIVE BATTERY CONNECTION POINT RED WIRE RED/BLU WIRE REVERSE POLARITY PROTECTION SAFETY BATTERY TERMINAL GENERATOR START-STOP BUTTON START-STOP FUNCTION STARTER TRANSFER TERMINAL POINT VIO/YEL WIRE W/O AUTOMATIC ENGINE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE

4.0L 4.0L EXCEPT 4.0L ALTERNATOR BATTERY BATTERY SENSOR (RIGHT SIDE OF REAR COMPT) BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 105 N/A GRN WIRE GRY WIRE JUMP START TERMINAL POINT (RIGHT SIDE OF ENGINE COMPT) LUGGAGE WELL B+ TERMINAL POINT NCA WIRE REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) RED WIRE STARTER VIO 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

AERIAL AMPLIFIER BLK WIRE BLU WIRE BLU/RED WIRE BOX (RIGHT REAR OF ENGINE COMPT) BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM CONTROLLER FILTER FRONT POWER DISTRIBUTION FUSE GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRY WIRE HOT W/ TERMINAL INFOTAINMENT FAN MICROPHONE MOST DATA BUS CIRCUIT NCA WIRE NOISE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM REAR WINDOW DEFOGGER REJECTOR CIRCUIT REAR WINDOW DEFOGGER REJECTOR CIRCUIT 2 RED WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE VEHICLE SOUND GENERATOR VIDEO MODULE (LEFT SIDE OF REAR COMPT) VIO/BRN WIRE VIO/RED WIRE WHT WIRE WHT/RED 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

AMPLIFIER (W/ TOP HIFI) (LEFT SIDE OF REAR COMPT) CD CHANGER (LEFT SIDE OF REAR COMPT) COMPUTER DATA LINES SYSTEM GRN WIRE MOST-BUS CONNECTOR ORG/GRN WIRE SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) TCU/ULF/ ULF-SBX/ ULF-SBX-H/ COMBOX VIDEO MODULE (LEFT SIDE OF REAR COMPT) W/ COMBOX W/O COMBOX

AMPLIFIER (W/ TOP HIFI) (LEFT SIDE OF REAR COMPT) CD CHANGER (LEFT SIDE OF REAR COMPT) COMPUTER DATA LINES SYSTEM GRN WIRE MOST-BUS CONNECTOR ORG/GRN WIRE SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) TCU/ULF/ ULF-SBX/ ULF-SBX-H/ COMBOX VIDEO MODULE (LEFT SIDE OF REAR COMPT) W/ COMBOX W/O COMBOX

AIR BAG SIG - AIR BAG SIG + BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER'S AIR BAG INFLATOR ASSEMBLIES FUSE 7 BOX (UNDER RIGHT SIDE OF DASH) GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT IN ON OR START JUNCTION LEFT "B" PILLAR AIR BAG SENSOR (LEFT MIDDLE INTERIOR PANEL) LEFT FRONT AIR BAG SENSOR (LEFT SIDE OF ENGINE COMPT) LEFT FRONT DOOR AIR BAG SENSOR (FRONT OF LEFT FRONT DOOR) MULTIPLE RESTRAINT SYSTEM CONTROL UNIT (REAR OF CENTER CONSOLE) NCA WIRE ORG/ WIRE ORG/GRN WIRE PASSENGER AIR BAG DEACTIVATION SWITCH (RIGHT END OF DASH, NEAR RIGHT FRONT DOOR) RIGHT "B" PILLAR AIR BAG SENSOR (RIGHT MIDDLE INTERIOR PANEL) RIGHT FRONT AIR BAG SENSOR (RIGHT SIDE OF ENGINE COMPT) RIGHT FRONT DOOR AIR BAG SENSOR (REAR OF RIGHT FRONT DOOR) ROOF FUNCTION CONTROL CENTER SIG CAN-BUS SIG CAN-BUS STEERING COLUMN SWITCH CLUSTER VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

AIRBAG SIG - AIRBAG SIG + BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER SEAT BELT POSITIONER CONTROLLER (LEFT REAR SIDE OF INTERIOR PANEL) DRIVER'S AIR BAG INFLATOR ASSEMBLIES DRIVER'S SWITCH CLUSTER FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE 30 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START JUNCTION FUSE 7 BOX (UNDER RIGHT SIDE OF DASH) LEFT "B" PILLAR AIR BAG SENSOR (LEFT REAR SIDE OF INTERIOR PANEL) LEFT SEAT BELT POSITIONER MOTOR (LEFT REAR SIDE INTERIOR PANEL) MULTIPLE RESTRAINT SYSTEM CONTROL UNIT (REAR OF CENTER CONSOLE) NCA WIRE ORG/ WIRE ORG/GRN WIRE PASSENGER AIR BAG DEACTIVATION SWITCH (RIGHT END OF DASH, NEAR RIGHT FRONT DOOR) RED WIRE RIGHT FRONT DOOR AIR BAG SENSOR (REAR OF RIGHT FRONT DOOR) RIGHT SEAT BELT POSITIONER MOTOR (RIGHT REAR SIDE INTERIOR PANEL) SIG CAN-BUS SIG CAN-BUS STEERING COLUMN SWITCH CLUSTER WHT WIRE WHT/BLK WIRE WHT/BRN WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

AIR BAG INDICATOR LAMP BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLU WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRASH SAFETY MODULE (REAR OF CENTER CONSOLE) CRASH SIG CRASH SIG FRONT PASSENGER SEAT OCCUPANCY DETECTION FRONT POWER DISTRIBUTION BOX (RIGHT REAR OF ENGINE COMPT) GRN WIRE HALL SENSER SIG PASS SEAT OCC DET SIG SEAT BELT BUCK CON SIG SEAT BELT BUCK CON HIGH VARIANT ROOF FUNCTIONS MODULE HOT AT ALL TIMES FUSE NCA WIRE ORG/GRN WIRE PASSENGER SIDE AIR BAG INFLATOR ASSEMBLY (RIGHT SIDE OF PASSENGER SEAT BACK) PASSENGER'S SEAT BELT TENSIONER GENERATOR (PART OF SEAT BELT BUCKLE ASSEMBLY) RED WIRE RED/BLU WIRE RED/BRN WIRE SAFETY BATTERY TERMINAL GENERATOR SUPPLY TERMINAL 30 HALL SENSER SIG VIO WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE