BMW 3 series F30/F31 (2011-2015) Computer data lines circuit, sedan

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 3 K CAN BUS K CAN BUS 3 2 K CAN BUS K CAN BUS 5 6 K CAN BUS K CAN BUS 6 5 PNK BUS SIG BUS SIG WIRE ALL ROUND VISION CAMERA (LEFT KICK PANEL) AUDIO SUPPLEMENTARY MODULE AUXILIARY CONTROL UNIT BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN/YEL WIRE CAN L CONTROLLER DRIVERS SEAT MODULE (UNDER DRIVER SEAT) FRONT PASSENGER SEAT MODULE (UNDER FRONT PASSENGER'S SEAT) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE K CAN BUS K-LIN-6 LANE DEPARTURE WARNING ORG/ WIRE ORG/GRN WIRE PNK 11 12 13 14 15 16 17 18 19 20 21 WIRE PNK 13 14 15 16 17 18 19 20 21 22 23 WIRE PNK 24 25 26 27 WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/RED WIRE REAR DRIVER'S SIDE SEAT HEATING MODULE REAR DRIVER'S SIDE SEAT HEATING SWITCH REAR PASSENGER'S SIDE DOOR SEAT SWITCH CLUSTER REAR PASSENGER'S SIDE SEAT HEATING MODULE REAR PASSENGER'S SIDE SEAT HEATING SWITCH RED WIRE RED/BLU WIRE SWITCH CLUSTER SUPPLEMENTARY MODULE TIRE PRESSURE CONTROL MODULE (RIGHT SIDE OF REAR COMPT) TRAILER MODULE (RIGHT SIDE OF REAR COMPT) WHT/BRN WIRE YEL WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE

1 4 BUS SIG BUS SIG 10 9 PT CAN L PT CAN H 2 47 48 45 44 8 7 46 2 47 48 44 43 BUS SIG BUS SIG BUS SIG 21 22 16 3 4 BUS SIG BUS SIG 28 13 PT CAN H PT CAN L 3 2 PT CAN H PT CAN L 3.0L TURBO HYBRID 32 33 S CAN H S CAN L 6 3 S CAN L S CAN H 7 6 (OR PNK) WIRE 9 10 4 WAKE-UP ACCUMULATOR MANAGEMENT ELECTRONICS ACTIVE CHASSIS CONTROL BLK WIRE BLK/BRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE BRN/YEL WIRE BUS SIG BUS SIG CAMERA-BASED DRIVER ASSISTANCE SYSTEM CRASH SAFETY MODULE (REAR OF CENTER CONSOLE) DIAGNOSIS SOCKET DIAGNOSIS SOCKET TERMINATING RESISTOR DYNAMIC STABILITY CONTROL (DSC) (LEFT REAR OF ENGINE COMPT) ELECTRICAL MACHINE ELECTRONICS (UNDER LEFT FRONT OF VEHICLE) ELECTROMECHANICAL POWER STEERING (ON STEERING RACK) ELECTRONICS TRANSMISSION CONTROL MODULE (INSIDE BOTTOM OF TRANSMISSION) FUEL PUMP CONTROL (EKPS) (RIGHT REAR PASSENGER COMPT) 3 2 PT CAN H PT CAN L GEAR SELECTOR SWITCH GRN WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/WHT WIRE INTEGRATED CHASSIS MANAGEMENT (UNDER CENTER CONSOLE) LEFT REVERSIBLE ELECTROMOTIVE AUTOMATIC REEL ORG/ WIRE PNK 11 12 13 14 15 16 17 18 19 20 21 WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/RED WIRE PT CAN H PT CAN L PT CANH PT CANL RED WIRE RED/BLU WIRE RIGHT REVERSIBLE ELECTROMOTIVE AUTOMATIC REEL STARTER/ ALTERNATOR ELECTRONICS TRANSFER BOX (BOTTOM REAR OF TRANSFER CASE) WHT/BLU WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE