BMW 3 series F30/F31 (2011-2015) dc/dc converter Wiring diagrams

2.0L TWIN TURBO 3.0L TWIN TURBO A/C COMPRESSOR ACCUMULATOR MANAGEMENT ELECTRONICS ALL-ROUND VISION BASE CAMERA PLATE BLK WIRE BRN WIRE BRN/BLK WIRE CONNECTION 1 CONNECTOR PREPARATION FOR ACCIDENT DATA RECORDER CONTACT FREE TAILGATE OPENING EVALUATION ELECTRONICS DC/DC CONVERTER DIGITAL MOTOR ELECTRONICS DIGITAL TWO-WAY RADIO ELECTRIC COOLANT PUMP ELECTRICAL RIGHT B-PILLAR EXHAUST LIGHTING FLAP ELECTRO- MECHANICAL POWER STEERING ELECTRONIC DAMPER CONTROL ELECTRONIC TRANSMISSION CONTROL FRONT PASSENGER SEAT BELT EXTENDER CONTROLLER HEAD HIFI AMPLIFIER IGNITION COIL CYLINDER 1 IGNITION COIL CYLINDER 2 INFOTAINMENT FAN LEFT LIGHTING FULLY B-PILLAR AUTOMATIC TOWING HITCH LEFT OUTER TAIL LIGHT LEFT REAR INTERIOR LIGHT LEFT REVERSIBLE ELECTROMOTIVE ELECTRICALLY MOTORIZED REEL NCA WIRE REAR DRIVER'S REAR SIDE ENTRY DRIVER'S SIDE LIGHT DOOR PANEL LIGHTING REAR ELECTRONIC MODULE REAR FUSE HOLDER REAR INTERIOR LIGHT REAR PASSENGER SIDE DOOR REAR LOCK PASSENGER SIDE ENTRY LIGHT REAR WINDOW DEFOGGER REJECTER CIRCUIT REVERSE GEAR SWITCH RIGHT OUTER TAIL LIGHT TELEMATIC DVD COMMUNICATION UNIT CHANGER BOX TOP HIFI AMPLIFIER TRAILER SOCKET SWITCH TRANSFER BOX TYRE PRESSURE CONTROL VIDEO MODULE W/ INTERIOR LIGHT PACKAGE W/O INTERIOR LIGHT PACKAGE W/ OPTIONAL EXTRAS

4 2 (W/ MEMORY) (W/O MEMORY) AUXILIARY WATER PUMP BLOWER OUTPUT STAGE BLU/GRY WIRE BRN WIRE CONVERTIBLE COUPE DC/DC CONVERTER DRIVER'S SIDE REAR ENTRANCE LIGHT DRIVER'S SIDE REAR POWER WINDOW SWITCH DRIVER'S SIDE REAR SYSTEM LOCK ELECTRIC FAN CUT OUT RELAY ELECTRONICS JUNCTION BOX HARD TOP OPERATING UNIT IGNITION COIL CYLINDER 2 IGNITION COIL CYLINDER 4 IGNITION COIL CYLINDER 6 IGNITION COIL, CYLINDER 5 IGNITION COIL, CYLINDER 7 IGNITION COIL, CYLINDER 8 IGNITION COIL, WATER LEFT FOG CYLINDER 1 VALVE LIGHT INDEPENDENT/ AUXILIARY HEATING CONTROL ACTIVE MODULE STEERING INTERFERENCE SUPPRESSION CAPACITOR 2 INTERFERENCE SUPPRESSION CAPACITOR IGNITION COIL, CYLINDER 3 LEFT HEADLIGHT LEFT HEATED WASHER NOZZLE LEFT TAIL LIGHT NCA WIRE PASSENGER'S DOOR COURTESY LIGHT PASSENGER'S DOOR ENTRANCE LIGHT PASSENGER'S DOOR EXIT LIGHT PASSENGER'S DOOR POWER WINDOW SWITCH PASSENGER'S DOOR SYSTEM LOCK PASSENGER'S LUMBAR SUPPORT SWITCH PASSENGER'S SEAT ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK PASSENGER'S SEAT VACUUM PUMP PASSENGER'S SIDE FOOTWELL WIPER HEATING LIGHT MOTOR MODULE PASSENGER'S SIDE OUTER DOOR HANDLE ELECTRONIC MODULE PASSENGER'S SIDE OUTSIDE MIRROR RIGHT HEATED WASHER NOZZLE ROOF FUNCTION CONTROL CENTER SIREN W/ TILT ALARM SENSOR TRANSFER BOX CONTROL MODULE W/ XENON W/O HEATED MIRRORS W/ HEATED MIRRORS

4 2 (W/ MEMORY) (W/O MEMORY) AUXILIARY WATER PUMP BLOWER OUTPUT STAGE BLU/GRY WIRE BRN WIRE CONVERTIBLE COUPE DC/DC CONVERTER DRIVER'S SIDE REAR ENTRANCE LIGHT DRIVER'S SIDE REAR POWER WINDOW SWITCH DRIVER'S SIDE REAR SYSTEM LOCK ELECTRIC FAN CUT OUT RELAY ELECTRONICS JUNCTION BOX HARD TOP OPERATING UNIT IGNITION COIL CYLINDER 2 IGNITION COIL CYLINDER 4 IGNITION COIL CYLINDER 6 IGNITION COIL, CYLINDER 5 IGNITION COIL, CYLINDER 7 IGNITION COIL, CYLINDER 8 IGNITION COIL, WATER LEFT FOG CYLINDER 1 VALVE LIGHT INDEPENDENT/ AUXILIARY HEATING CONTROL ACTIVE MODULE STEERING INTERFERENCE SUPPRESSION CAPACITOR 2 INTERFERENCE SUPPRESSION CAPACITOR IGNITION COIL, CYLINDER 3 LEFT HEADLIGHT LEFT HEATED WASHER NOZZLE LEFT TAIL LIGHT NCA WIRE PASSENGER'S DOOR COURTESY LIGHT PASSENGER'S DOOR ENTRANCE LIGHT PASSENGER'S DOOR EXIT LIGHT PASSENGER'S DOOR POWER WINDOW SWITCH PASSENGER'S DOOR SYSTEM LOCK PASSENGER'S LUMBAR SUPPORT SWITCH PASSENGER'S SEAT ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK PASSENGER'S SEAT VACUUM PUMP PASSENGER'S SIDE FOOTWELL WIPER HEATING LIGHT MOTOR MODULE PASSENGER'S SIDE OUTER DOOR HANDLE ELECTRONIC MODULE PASSENGER'S SIDE OUTSIDE MIRROR RIGHT HEATED WASHER NOZZLE ROOF FUNCTION CONTROL CENTER SIREN W/ TILT ALARM SENSOR TRANSFER BOX CONTROL MODULE W/ XENON W/O HEATED MIRRORS W/ HEATED MIRRORS

2.0L TWIN TURBO 3.0L TWIN TURBO A/C COMPRESSOR ACCUMULATOR MANAGEMENT ELECTRONICS ALL-ROUND VISION BASE CAMERA PLATE BLK WIRE BRN WIRE BRN/BLK WIRE CONNECTION 1 CONNECTOR PREPARATION FOR ACCIDENT DATA RECORDER CONTACT FREE TAILGATE OPENING EVALUATION ELECTRONICS DC/DC CONVERTER DIGITAL MOTOR ELECTRONICS DIGITAL TWO-WAY RADIO ELECTRIC COOLANT PUMP ELECTRICAL RIGHT B-PILLAR EXHAUST LIGHTING FLAP ELECTRO- MECHANICAL POWER STEERING ELECTRONIC DAMPER CONTROL ELECTRONIC TRANSMISSION CONTROL FRONT PASSENGER SEAT BELT EXTENDER CONTROLLER HEAD HIFI AMPLIFIER IGNITION COIL CYLINDER 1 IGNITION COIL CYLINDER 2 INFOTAINMENT FAN LEFT LIGHTING FULLY B-PILLAR AUTOMATIC TOWING HITCH LEFT OUTER TAIL LIGHT LEFT REAR INTERIOR LIGHT LEFT REVERSIBLE ELECTROMOTIVE ELECTRICALLY MOTORIZED REEL NCA WIRE REAR DRIVER'S REAR SIDE ENTRY DRIVER'S SIDE LIGHT DOOR PANEL LIGHTING REAR ELECTRONIC MODULE REAR FUSE HOLDER REAR INTERIOR LIGHT REAR PASSENGER SIDE DOOR REAR LOCK PASSENGER SIDE ENTRY LIGHT REAR WINDOW DEFOGGER REJECTER CIRCUIT REVERSE GEAR SWITCH RIGHT OUTER TAIL LIGHT TELEMATIC DVD COMMUNICATION UNIT CHANGER BOX TOP HIFI AMPLIFIER TRAILER SOCKET SWITCH TRANSFER BOX TYRE PRESSURE CONTROL VIDEO MODULE W/ INTERIOR LIGHT PACKAGE W/O INTERIOR LIGHT PACKAGE W/ OPTIONAL EXTRAS

3.0L TURBO, 3.0L TWIN TURBO 2.0L TURBO ACCUMULATOR MANAGEMENT ELECTRONICS (HYBRID) AUXILIARY BATTERY (HYBRID) BISTABLE RELAY BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMBOX TELEMATIC COMMUNICATION BOX CONTACT FREE TAILGATE OPENING EVALUATION ELECTRONICS CUT-OFF RELAY DC/DC CONVERTER DIAGNOSIS PLUG DIGITAL FRONT MOTOR ELECTRONIC ELECTRONICS MODULE DRIVER ASSISTANCE SYSTEMS OPERATING UNIT DRIVER ELECTRONIC OUTER DOOR HANDLE MODULE ELECTRIC MACHINE- ELECTRONICS (HYBRID) FROM FRONT POWER DISTRIBUTION BOX (DIAGRAM 1 OF 4) FROM FUSE 160 (DIAGRAM 3 OF 4) FROM FUSE BOX (DIAGRAM 1 OF 4) FROM REAR FUSE HOLDER (DIAGRAM 3 OF 4) FRONT ELECTRONIC MODULE FRONT ELECTRONIC MODULE (RIGHT END OF DASH) FUSE FUSE 10 FUSE 114 FUSE 113 FUSE 120 FUSE 149 FUSE 150 FUSE BOX 2 FUSE 600 FUSE FUSE FUSE GRN WIRE GRN/WHT WIRE GRY WIRE HEATING/ AIR CONDITIONING SYSTEM HORN RELAY INTELLIGENT BATTERY LEFT HEADLIGHT NATURAL VACUUM LEAK DETECTION TEMPERATURE SENSOR, PRESSURE SWITCH NCA WIRE PASSENGER ELECTRONIC OUTER DOOR HANDLE MODULE REAR ELECTRONIC MODULE REAR ELECTRONIC MODULE (RIGHT FUSE REAR OF LUGGAGE COMPT) REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) REAR WINDOW DEFOGGER RELAY RED WIRE RED/BRN WIRE SENSOR 2 SOLID STATE STARTER MOTOR GENERATOR STEERING LIGHT COLUMN SWITCH SWITCH UNIT CLUSTER TERMINAL SOLID STATE TO REAR FUSE HOLDER (DIAGRAM 3 OF 4) TRAILER MODULE TRAILER SOCKET TRANSFER TERMINAL POINT 3 VIO WIRE W/ TELEMATIC W/ COMMUNICATION COMBOX BOX W/ W/O TRAILER TRAILER MODULE MODULE WHT WIRE WHT/BLU WIRE YEL WIRE

ACTIVE CRUISE CONTROL BISTABLE RELAY BLK WIRE BLK/RED WIRE BLU WIRE BRN WIRE CCC/M-ASK CENTRAL INFORMATION DISPLAY COMBOX COUPE CONVERTIBLE DC/DC CONVERTER DRIVER'S PASSENGER'S LUMBAR LUMBAR SUPPORT SUPPORT SWITCH VALVE BLOCK DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK EDC ELECTRONIC DAMPER CONTROL ELECTRONICS JUNCTION BOX FROM CAR ACCESS SYSTEM (DIAGRAM 3 OF 6) FROM FUSE 20 (DIAGRAM 5 OF 6) FROM FUSE 70 (DIAGRAM 4 OF 6) FROM JUNCTION BOX (DIAGRAM 3 OF 6) FROM JUNCTION BOX (DIAGRAM 4 OF 6) FROM TERMINAL 15 RELAY FUSE 61 (DIAGRAM ELECTRONICS 4 OF 6) JUNCTION BOX FUSE 20 FUSE 21 FUSE 22 FUSE 23 FUSE 56 FUSE 74 FUSE FUSE 77 FUSE FUSE GRN WIRE HEATING/AIR CONDITIONING SYSTEM GLOVE COMPARTMENT LIGHT INDEPENDENT/ AUXILIARY HEATING CONTROL MODULE INSTRUMENT CLUSTER CONTROL MODULE JUNCTION BOX JUNCTION BOX (UNDER RIGHT LEFT LUGGAGE COMPARTMENT LIGHT (CONVERTIBLE) NCA WIRE OBDII SOCKET PASSENGER'S LUMBAR SUPPORT SWITCH PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/WHT/YEL WIRE RED/YEL WIRE REMOTE CONTROL RECEIVER RIGHT LUGGAGE COMPARTMENT LIGHT SIDE OF DASH) TCU EJECT BOX TO FUSE 13 (DIAGRAM 6 OF 6) TO FUSE 19 (DIAGRAM 6 OF 6) TO FUSE 76 (DIAGRAM 5 OF 6) TRAILER MODULE TRANSMISSION CONTROL VIO WIRE WHT WIRE YEL WIRE

ACTIVE CRUISE CONTROL BISTABLE RELAY BLK WIRE BLK/RED WIRE BLU WIRE BRN WIRE CCC/M-ASK CENTRAL INFORMATION DISPLAY COMBOX COUPE CONVERTIBLE DC/DC CONVERTER DRIVER'S PASSENGER'S LUMBAR LUMBAR SUPPORT SUPPORT SWITCH VALVE BLOCK DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK EDC ELECTRONIC DAMPER CONTROL ELECTRONICS JUNCTION BOX FROM CAR ACCESS SYSTEM (DIAGRAM 3 OF 6) FROM FUSE 20 (DIAGRAM 5 OF 6) FROM FUSE 70 (DIAGRAM 4 OF 6) FROM JUNCTION BOX (DIAGRAM 3 OF 6) FROM JUNCTION BOX (DIAGRAM 4 OF 6) FROM TERMINAL 15 RELAY FUSE 61 (DIAGRAM ELECTRONICS 4 OF 6) JUNCTION BOX FUSE 20 FUSE 21 FUSE 22 FUSE 23 FUSE 56 FUSE 74 FUSE FUSE 77 FUSE FUSE GRN WIRE HEATING/AIR CONDITIONING SYSTEM GLOVE COMPARTMENT LIGHT INDEPENDENT/ AUXILIARY HEATING CONTROL MODULE INSTRUMENT CLUSTER CONTROL MODULE JUNCTION BOX JUNCTION BOX (UNDER RIGHT LEFT LUGGAGE COMPARTMENT LIGHT (CONVERTIBLE) NCA WIRE OBDII SOCKET PASSENGER'S LUMBAR SUPPORT SWITCH PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/WHT/YEL WIRE RED/YEL WIRE REMOTE CONTROL RECEIVER RIGHT LUGGAGE COMPARTMENT LIGHT SIDE OF DASH) TCU EJECT BOX TO FUSE 13 (DIAGRAM 6 OF 6) TO FUSE 19 (DIAGRAM 6 OF 6) TO FUSE 76 (DIAGRAM 5 OF 6) TRAILER MODULE TRANSMISSION CONTROL VIO WIRE WHT WIRE YEL WIRE

ACTIVE CRUISE CONTROL BISTABLE RELAY BLK WIRE BLK/RED WIRE BLU WIRE BRN WIRE CCC/M-ASK CENTRAL INFORMATION DISPLAY COMBOX COUPE CONVERTIBLE DC/DC CONVERTER DRIVER'S PASSENGER'S LUMBAR LUMBAR SUPPORT SUPPORT SWITCH VALVE BLOCK DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK EDC ELECTRONIC DAMPER CONTROL ELECTRONICS JUNCTION BOX FROM CAR ACCESS SYSTEM (DIAGRAM 3 OF 6) FROM FUSE 20 (DIAGRAM 5 OF 6) FROM FUSE 70 (DIAGRAM 4 OF 6) FROM JUNCTION BOX (DIAGRAM 3 OF 6) FROM JUNCTION BOX (DIAGRAM 4 OF 6) FROM TERMINAL 15 RELAY FUSE 61 (DIAGRAM ELECTRONICS 4 OF 6) JUNCTION BOX FUSE 20 FUSE 21 FUSE 22 FUSE 23 FUSE 56 FUSE 74 FUSE FUSE 77 FUSE FUSE GRN WIRE HEATING/AIR CONDITIONING SYSTEM GLOVE COMPARTMENT LIGHT INDEPENDENT/ AUXILIARY HEATING CONTROL MODULE INSTRUMENT CLUSTER CONTROL MODULE JUNCTION BOX JUNCTION BOX (UNDER RIGHT LEFT LUGGAGE COMPARTMENT LIGHT (CONVERTIBLE) NCA WIRE OBDII SOCKET PASSENGER'S LUMBAR SUPPORT SWITCH PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK RED WIRE RED/BLK WIRE RED/BRN WIRE RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/WHT/YEL WIRE RED/YEL WIRE REMOTE CONTROL RECEIVER RIGHT LUGGAGE COMPARTMENT LIGHT SIDE OF DASH) TCU EJECT BOX TO FUSE 13 (DIAGRAM 6 OF 6) TO FUSE 19 (DIAGRAM 6 OF 6) TO FUSE 76 (DIAGRAM 5 OF 6) TRAILER MODULE TRANSMISSION CONTROL VIO WIRE WHT WIRE YEL WIRE

3.0L TURBO, 3.0L TWIN TURBO 2.0L TURBO ACCUMULATOR MANAGEMENT ELECTRONICS (HYBRID) AUXILIARY BATTERY (HYBRID) BISTABLE RELAY BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMBOX TELEMATIC COMMUNICATION BOX CONTACT FREE TAILGATE OPENING EVALUATION ELECTRONICS CUT-OFF RELAY DC/DC CONVERTER DIAGNOSIS PLUG DIGITAL FRONT MOTOR ELECTRONIC ELECTRONICS MODULE DRIVER ASSISTANCE SYSTEMS OPERATING UNIT DRIVER ELECTRONIC OUTER DOOR HANDLE MODULE ELECTRIC MACHINE- ELECTRONICS (HYBRID) FROM FRONT POWER DISTRIBUTION BOX (DIAGRAM 1 OF 4) FROM FUSE 160 (DIAGRAM 3 OF 4) FROM FUSE BOX (DIAGRAM 1 OF 4) FROM REAR FUSE HOLDER (DIAGRAM 3 OF 4) FRONT ELECTRONIC MODULE FRONT ELECTRONIC MODULE (RIGHT END OF DASH) FUSE FUSE 10 FUSE 114 FUSE 113 FUSE 120 FUSE 149 FUSE 150 FUSE BOX 2 FUSE 600 FUSE FUSE FUSE GRN WIRE GRN/WHT WIRE GRY WIRE HEATING/ AIR CONDITIONING SYSTEM HORN RELAY INTELLIGENT BATTERY LEFT HEADLIGHT NATURAL VACUUM LEAK DETECTION TEMPERATURE SENSOR, PRESSURE SWITCH NCA WIRE PASSENGER ELECTRONIC OUTER DOOR HANDLE MODULE REAR ELECTRONIC MODULE REAR ELECTRONIC MODULE (RIGHT FUSE REAR OF LUGGAGE COMPT) REAR FUSE HOLDER (RIGHT SIDE OF REAR COMPT) REAR WINDOW DEFOGGER RELAY RED WIRE RED/BRN WIRE SENSOR 2 SOLID STATE STARTER MOTOR GENERATOR STEERING LIGHT COLUMN SWITCH SWITCH UNIT CLUSTER TERMINAL SOLID STATE TO REAR FUSE HOLDER (DIAGRAM 3 OF 4) TRAILER MODULE TRAILER SOCKET TRANSFER TERMINAL POINT 3 VIO WIRE W/ TELEMATIC W/ COMMUNICATION COMBOX BOX W/ W/O TRAILER TRAILER MODULE MODULE WHT WIRE WHT/BLU WIRE YEL WIRE