BMW 3 series F30/F31 facelift (2015-2020) preheating control unit Wiring diagrams

2.0L TURBO 2.0L TURBO 3.0L TURBO 2.0L TURBO 3.0L TURBO 2.0L TURBO DIESEL 2.0L TURBO DIESEL 2.0L TURBO DIESEL, 3.0L TURBO ALTERNATOR BATTERY BLK WIRE BLU WIRE DIGITAL DIESEL ELECTRONICS DIGITAL MOTOR ELECTRONICS ENGINE CONTROLS SYSTEM FRONT ELECTRONIC MODULE INTELLIGENT BATTERY SENSOR JUMP START TERMINAL POINT NCA WIRE PREHEATING CONTROL UNIT RED WIRE RIGHT END OF DASH) SAFETY BATTERY TERMINAL GENERATOR STARTER TRANSFER TERMINAL POINT VIO WIRE

& 9 2.0L TURBO DIESEL ALTERNATOR AUXILIARY BATTERY BATTERY BLK WIRE BLOWER OUTPUT STAGE BLU WIRE BLU/BLK WIRE BRN WIRE CHARGING CONTROLLER FOR AUXILIARY BATTERY COMPUTER DATA LINES SYSTEM DYNAMIC STABILITY CONTROL (DSC) ELECTRIC FAN CUT OUT RELAY ELECTRIC- MACHINE ELECTRONICS ELECTRO- MECHANICAL POWER STEERING ENGINE COMPARTMENT POWER DISTRIBUTION BOX FROM REAR FUSE HOLDER (DIAGRAM 3 OF 6) FRONT ELECTRIC AUXILIARY HEATER FUEL FILTER HEATING FUSE 400 FUSE 401 FUSE 402 FUSE 403 FUSE 404 FUSE 405 FUSE 500 FUSE 501 FUSE 502 FUSE 504 FUSE 506 FUSE 600 FUSE 615 FUSE BOX FUSE BOX 2 FUSE HOLDER GRN WIRE HIGH VOLTAGE SAFETY CONNECTOR INTELLIGENT BATTERY SENSOR INTELLIGENT BATTERY SENSOR 2 JUMP START TERMINAL POINT NCA WIRE PREHEATING CONTROL UNIT RED WIRE SAFETY BATTERY TERMINAL FOR STARTER UNIT GAS GENERATOR SAFETY BATTERY TERMINAL GAS GENERATOR STARTER TO FRONT ELECTRONIC MODULE (DIAGRAM 4 OF 6) TO FRONT POWER DISTRIBUTION BOX (DIAGRAM 6 OF 6) TO FUSE 503 (DIAGRAM 5 OF 6) TO REAR ELECTRONIC MODULE (DIAGRAM 5 OF 6) TO REAR FUSE HOLDER (DIAGRAM 3 OF 6) VIO WIRE WHT WIRE

2.0L TURBO 2.0L TURBO DIESEL 2.0L TURBO DIESEL 320I, 320I XDRIVE M3 A/C COMPRESSOR (ELECTRICAL) ACTIVE CRUISE CONTROL AUC SENSOR AUTOMATIC TRANSMISSION BLK WIRE BRN WIRE CAMERA-BASED DRIVER ASSISTANCE SYSTEMS CHARGE AIR COOLER COOLANT PUMP CLUTCH MODULE COOLANT EXPANSION TANK SHUTOFF VALVE DRIVER LUMBAR SUPPORT VALVE BLOCK DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK DYNAMIC STABILITY CONTROL (DSC) ELECTRIC COOLANT PUMP DRIVE ELECTRIC FAN CUT OUT RELAY ELECTRO- MECHANICAL POWER STEERING ELECTROCHROMIC INTERIOR REAR VIEW MIRROR ENGINE BREATHER HEATER ENVIRONMENTAL AIR CATALYST SENSOR FROM FUSE 67 (DIAGRAM 6 OF 6) FRONT ELECTRONIC MODULE FRONT PASSENGER LUMBAR SUPPORT VALVE BLOCK FRONT PASSENGER SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK FRONT PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH FRONT POWER DISTRIBUTION BOX FUSE 21 FUSE 26 FUSE 27 FUSE 28 FUSE 29 FUSE 32 FUSE 33 FUSE 35 FUSE 36 FUSE 42 FUSE 44 FUSE 45 FUSE 46 FUSE 47 FUSE 48 FUSE 54 FUSE 55 FUSE 56 FUSE 63 GEAR SELECTOR SWITCH GRN WIRE GRY WIRE INTERCOOLER COOLANT PUMP LEFT FRONT VANITY MIRROR LIGHT LEFT REAR SEAT HEATING SWITCH M/T PREHEATING CONTROL UNIT RAIN/ LIGHT CONDENSATION/ SOLAR SENSOR RED WIRE RED/BLK WIRE RED/BRN WIRE RED/VIO WIRE RED/WHT WIRE RIGHT FRONT VANITY MIRROR LIGHT RIGHT REAR SEAT HEATING SWITCH ROOF FUNCTION CENTER STEERING COLUMN SWITCH CLUSTER TRANSFER BOX VEHICLE SOUND GENERATOR VIO WIRE WHT WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BRN WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DIESEL PARTICULATE SENSOR FRONT POWER DISTRIBUTION BOX FUSE 165 FUSE 21 FUSE 23 FUSE 403 FUSE 46 GRN WIRE GRN/RED WIRE GRN/YEL WIRE HEATER PLUG CYLINDER 1 HEATER PLUG CYLINDER 2 HEATER PLUG CYLINDER 3 HEATER PLUG CYLINDER 4 HOT AT ALL TIMES HOT W/ TERMINAL NCA WIRE ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PREHEATING CONTROL UNIT REAR FUSE HOLDER RED WIRE RED/GRN WIRE RED/WHT WIRE STARTING/ CHARGING SYSTEM VIO/BLK WIRE WHT/GRY WIRE