Bmw·428I·2014 BMW 428i·Wiring
Wiring diagram

2014 BMW 428i — power distribution

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Power distribution

2 1 3 4 4 5 1 2 3 1 2 3 A 50A G 40A O 125A 80A 15A M L 125A 100A D 30A 30A 20A 20A 20A 20A 7.5A 5A 7.5A C 5A 10A 10A 7.5A 5A 5A 30A 30A 40A 40A 100A 125A 50A 40A B 125A 100A 50A SAFETY BATTERY TERMINAL GENERATOR TRANSFER TERMINAL POINT JUMP START TERMINAL POINT FRONT ELECTRONIC MODULE TRANSFER TERMINAL POINT DIGITAL MOTOR ELECTRONICS TRANSFER TERMINAL POINT HARDTOP DRIVE RELAY 1 HARDTOP DRIVE RELAY 2 FRONT POWER DISTRIBUTION BOX ALTERNATOR STARTER ROOF FUNCTION CENTER DYNAMIC STABILITY CONTROL (DSC) ELECTRO- MECHANICAL POWER STEERING FUEL FILTER HEATING DYNAMIC STABILITY CONTROL (DSC) FRONT ELECTRIC AUXILIARY HEATER INSTRUMENT CLUSTER CONTROL UNIT LEFT HEADLIGHT BLOWER OUTPUT STAGE ELECTRIC FAN CUT OUT RELAY ELECTRIC FAN CUT OUT RELAY FRONT PASSENGER SEAT MODULE LEFT REVERSIBLE ELECTROMOTIVE AUTOMATIC REEL FRONT ELECTRONIC MODULE GEAR SELECTOR SWITCH INTEGRATED CHASSIS MANAGEMENT DRIVER'S DOOR SWITCH BLOCK DRIVER SEAT MODULE NECK WARMER CONTROL ELECTRONICS DRIVER'S SEAT HEATING MODULE FRONT PASSENGER'S SEAT HEATING MODULE GLOVE COMPARTMENT LIGHT INSTRUMENT CLUSTER CONTROL UNIT DIGITAL MOTOR ELECTRONICS ELECTRONIC TRANSMISSION CONTROL FRONT PASSENGER EXTERIOR MIRROR CONTROLLER TOUCH BOX 2 2 2 M107 1B 1 2B 1B 6 9B 8B 1 7 3B 5 1 4B 27 X14 1B 4 1B 1 X1397 1B 1B 1B 1B 1B 2B 40 1B 1 3 10B 2 1B 1 2B 3B 5B 7B 2 1B 2 15 X12 1B 3 9B 15 4 7 3B 1 2 5 2 1 2 1 2 6 X14 1B 25 7 25 X12 1B 7 7 3B 1 10 5B 6 1 5 1 2B 5 1 18 6 X13 2B 15 13 42 1B 6B 1 1 1B 14 X28 1B 14 X5 1B 6 3B 3B 6 19 2 10 4 6B 2B 3 5B 3 2 8B 6 2 1B 2 25 1 3 2 1 4 1 1 1 3 2B 2 3 1B 1 1 3B 11B 1 4B 1 1B 5B 1 X541 2B X541 1B X1 1B 1 X1 2B 3B 2 2B X621 1B 2B 11 1B 12 X621 2B RED/BLU RED RED RED RED RED/ BLU RED/ BLU RED YEL RED/ (OR RED) (OR RED) BRN RED RED/WHT RED RED BLK BLK BLU) (OR RED/ RED RED RED RED/ BLK RED/ YEL RED/ YEL (OR RED) (OR RED) (OR RED) NCA NCA RED RED NCA BRN) (OR RED/ WHT RED/ RED/ BRN RED/ BRN YEL RED/ YEL RED/ BRN YEL RED/ BRN GRN RED/ BRN RED/ BLU BLU RED/ RED/ GRN BLU RED/ GRY RED/ RED/ YEL BRN RED/ RED/ BRN RED/ YEL RED/ YEL RED/ GRY GRY RED/ RED RED RED RED RED/ GRY RED/ BLU RED/ GRY RED/ BRN RED/ BLU RED/ BLU RED/ YEL BLK RED/ WHT RED/ BLU GRN RED/ RED NCA RED RED RED RED RED RED RED RED RED RED RED NCA BLK BLU NCA BLU BLU BLK BLK BATTERY FUSE BOX INTELLIGENT BATTERY SENSOR FUSE 503 FUSE 504 FUSE 501 FUSE 506 FUSE 500 FUSE 502 FUSE 400 FUSE 405 FUSE 58 FUSE 57 FUSE 20 FUSE 401 FUSE 40 FUSE 403 FUSE 404 FUSE 402 FUSE 62 FUSE 50 FUSE 68 FUSE 66 FUSE 69 FRONT CIGARETTE LIGHTER 12 V CONNECTION 12 V CONNE- CTION 2 12 V CONNE- CTION 3 TERMINAL 30B RELAY FUSE 54 FUSE 53 FUSE 64 FUSE 24 FUSE 22 FUSE 52 FUSE 25 FUSE 67 FUSE 23 FUSE 65 Z10 5B Z10 5B Z10 5B Z10 1B Z10 2B W/ FAN 850W W/ FAN 400W & 600W W/ FAN 300W 3.0L TWIN TURBO 2.0L TURBO 6 CONVERTIBLE COUPE 7 LATE PRODUCTION EARLY PRODUCTION CONVERTIBLE 3.0L TWIN TURBO 2.0L TURBO 6 7 & (CONVERTIBLE) (EARLY PRODUCTION) (LATE PRODUCTION) 5 (W/ LIN BUS) (RIGHT SIDE OF LUGGAGE COMPT) (ON BATTERY NEGATIVE POST) (RIGHT KICK PANEL) (RIGHT REAR OF ENGINE COMPT) (RIGHT FOOTWELL) (RIGHT FOOTWELL) (RIGHT FOOTWELL) (EARLY PRODUCTION: LEFT FRONT OF ENGINE COMPT) (LATE PRODUCTION: RIGHT FRONT CORNER OF ENGINE COMPT) (RIGHT KICK PANEL) TO FRONT ELECTRONIC MODULE (DIAGRAM 4 OF 4) TO FRONT ELECTRONIC MODULE (DIAGRAM 4 OF 4) TO REAR FUSE HOLDER (DIAGRAM 3 OF 4) TO REAR ELECTRONIC MODULE (DIAGRAM 4 OF 4) TO INTEGRATED SUPPLY MODULE (DIAGRAM 2 OF 4) TO TERMINAL 15N RELAY (DIAGRAM 2 OF 4) TO FUSE 27 (DIAGRAM 2 OF 4) FROM TERMINAL 15N RELAY (DIAGRAM 2 OF 4)
1 2 1 2 3 3 4 5 4 4 5 10A O 30A 5A 30A 10A 5A 5A 5A 5A 50A 5A 5A 10A 5A 5A D 5A 5A C 10A B FRONT POWER DISTRIBUTION BOX INTEGRATED SUPPLY MODULE IGNITION & FUEL INJECTION RELAY DME MAIN RELAY VALVETRONIC RELAY STEERING COLUMN SWITCH CLUSTER ENVIRONMENTAL AIR CATALYST SENSOR ACTIVE CRUISE CONTROL TRANSFER BOX AUC SENSOR ELECTRO- MECHANICAL POWER STEERING CAMERA BASED DRIVER ASSISTANCE SYSTEMS ELECTRIC COOLANT PUMP ELECTRO- CHROMIC INTERIOR REARVIEW MIRROR FRONT ELECTRONIC MODULE LEFT REVERSIBLE ELECTROMOTIVE AUTOMATIC REEL HARDTOP OPERATING UNIT TRANSFER BOX NECK-WARMER CONTROL ELECTRONICS RIGHT REAR SEAT HEATING SWITCH LEFT REAR SEAT HEATING SWITCH ELECTRIC COOLANT PUMP 2 RIGHT FRONT VANITY MIRROR LIGHT LEFT FRONT VANITY MIRROR LIGHT DYNAMIC STABILITY CONTROL (DSC) FRONT PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH DRIVER SEAT BELT EXTENDER CONTROLLER FRONT PASSENGER SEAT BELT EXTENDER CONTROLLER ELECTRIC FAN CUT OUT RELAY ROOF FUNCTION CENTER PASSENGER'S LUMBAR SUPPORT SWITCH FRONT PASSENGER'S SIDE SEAT ADJUSTMENT SWITCH BLOCK FRONT PASSENGER'S LUMBAR SUPPORT VALVE BLOCK RAIN/LIGHT SOLAR/ CONDENSATION/ SENSOR FRONT PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK DRIVER'S LUMBAR SUPPORT VALVE BLOCK DRIVER'S LUMBAR SUPPORT SWITCH DRIVER'S SIDE SEAT ADJUSTMENT SWITCH BLOCK 20 3B 4 4 7 1B 1B 7 2B 2 4B 1 2B 1 9 X14 1B 2B 6 3 1B 1 1 1B 5 1B 3 X664 2B 1 4 5 9 2 10 6 1 1B 43 47 44 50 49 45 46 7B 8B 10 X13 1B 7 1 1B 4B 3 4 X13 1B 14 4 8 X13 1B 8 3 6B 1 4 2B 1 4 X252 2B 4 1 1 2 X671 1B 3 5B 1 3B 3 1 2 6 3B 4 5B 1 9 3 7 3 1 2B 1 2 1 1 3 11B 2 2 2 1 1 3 X12 1B 1 1 X720 1B 1 X14 1B 1 X719 1B 3 3 1 1 1B 1 GRN GRN/ BRN GRY GRN/GRY RED RED RED/ WHT WHT RED/ WHT RED/ WHT RED/ RED/ BLK RED/ BRN RED/ YEL YEL RED/ RED GRN/ RED/ YEL RED RED RED/ GRN (OR BLU/WHT) (OR BRN) (OR BLU/WHT) (OR BRN) (OR BLU/WHT) (OR BLU/WHT) (OR BLU/WHT) (OR BLU/WHT) (OR BRN) (OR BLU/WHT) (OR BRN) (OR BLU/WHT) (OR BLU/WHT) (OR BLU/WHT) YEL GRN/ (OR RED) WHT/RED WHT/BLU BRN/BLK YEL WHT/BLK BRN/BLK GRN/BLU WHT/RED WHT/BLU BRN/BLK GRN/BLU BRN/BLK YEL WHT/BLK RED VIO RED/ RED/ BRN RED RED/ BLK RED/ GRN RED/ YEL RED/ YEL YEL RED/ GRN RED/ GRN RED/ RED RED YEL RED/ RED GRN/ GRN/ BLK RED/ GRN GRN/ BRN RED/ VIO VIO RED/ VIO RED/ VIO RED/ RED/ WHT RED/ WHT RED/WHT WHT RED/ RED/ WHT WHT RED/ RED/ WHT RED RED RED RED RED RED RED RED RED RED RED RED RED RED RED BLK TERMINAL 15N RELAY FUSE 45 FUSE 63 FUSE 46 FUSE 44 FUSE 48 FUSE 55 FUSE 56 FUSE 42 FUSE 7 FUSE 33 FUSE 32 FUSE 26 FUSE 21 START-STOP BUTTON FUSE 29 FUSE 27 FUSE 34 FUSE 28 2.0L TURBO 3.0L TWIN TURBO W/O AUTOMATIC ENGINE START-STOP FUNCTION 5 2.0L TURBO 400W & 3.0L TWIN TURBO 2.0L TURBO 200W (2.0L TURBO) (NOT USED) (CONVERTIBLE) (IF EQUIPPED) (W/ SPORT PACKAGE) W/ FAN 600W/ 400W & 300W W/ FAN 850W (CONVERTIBLE) (COUPE) (COUPE) (CONVERTIBLE) (CONVERTIBLE) (CONVERTIBLE) (RIGHT REAR OF ENGINE COMPT) (LEFT REAR OF ENGINE COMPT) (RIGHT KICK PANEL) FROM TERMINAL 30B RELAY (DIAGRAM 1 OF 4) FROM TRANSFER TERMINAL POINT (DIAGRAM 1 OF 4) TO TERMINAL 30B RELAY (DIAGRAM 1 OF 4) FROM FUSE 67 (DIAGRAM 1 OF 4)
1 2 1 2 5 5 3 4 4 3 3 A 5A 30A N 15A E K 15A 30A H F 10A 40A 5A 5A 20A 5A 30A 30A 20A 20A 5A J 5A 5A 5A 5A 20A 5A 20A 5A 5A 5A 30A 20A 20A 5A 5A 20A 20A REAR FUSE HOLDER FRONT ELECTRONIC MODULE REAR ELECTRONIC MODULE LUGGAGE COMPARTMENT LIGHT BASE PLATE NECK-WARMER CONTROL ELECTRONICS REAR PASSENGER'S SIDE SEAT HEATING MODULE DVD CHANGER FUEL PUMP CONTROL (EKPS) INFOTAINMENT FAN HEAD UNIT HIFI AMPLIFIER REAR PASSENGER'S SIDE DOOR SEAT SWITCH CLUSTER COMBOX TIRE PRESSURE CONTROL ACTIVE SOUND DESIGN ACTIVE SOUND DESIGN TOP HIFI AMPLIFIER VIDEO MODULE REAR DRIVER'S SIDE SEAT HEATING MODULE SIREN W/ TILT ALARM SENSOR TRAILER SOCKET TRAILER MODULE TOP HIFI AMPLIFIER FULLY AUTOMATIC TOWING HITCH RIGHT REVERSIBLE ELECTROMOTIVE ELECTRICALLY MOTORIZED REEL LEFT REVERSIBLE ELECTROMOTIVE ELECTRICALLY MOTORIZED REEL CONVERTIBLE TOP MODULE DRIVER'S DOOR MICROWAVE SENSOR PASSENGER'S DOOR MICROWAVE SENSOR SIREN W/ TILT SENSOR RIGHT REAR MICROWAVE SENSOR LEFT REAR MICROWAVE SENSOR NATURAL VACUUM LEAK DETECTION TEMPERATURE SENSOR & PRESSURE SWITCH LEFT REVERSIBLE ELECTROMOTIVE ELECTRICALLY MOTORIZED REEL REMOTE CONTROL RECEIVER RIGHT REVERSIBLE ELECTROMOTIVE ELECTRICALLY MOTORIZED REEL LANE CHANGE WARNING ELECTRICAL EXHAUST FLAP ELECTRICAL EXHAUST FLAP 2 FRONT ELECTRONIC MODULE RIGHT HEADLIGHT PARKING ASSISTANT ELECTRONIC DAMPER CONTROL ALL ROUND VISION CAMERA CONVERTIBLE TOP MODULE ELECTRONIC DAMPER CONTROL 1B 5B 22 3B 3B 1 1 3 5B 6 2 4 4 X28 1B 4 33 3 X5 1B 33 3 9 X12 1B 5 2B 1 8 2B 14B 7 5 5B 3 X12 1B 27 1 1B 1B 1B 1B 4 1B 6B 5 9B 7 3 5 2B 6 7B 1 4B 1 6B 1 3B 1 2B 1 5 3 2B 3B 5 1 1 13B 1 4 2 3 7 1B 7 1B 6 9B 1 X9 1B 1B 3 25 2 6B 6 2B 7 6 25 9 4B 5 4 3 4 4B 4 3B 1 7 13B 2 1B 1 11B 2 11B 3B 6 1 X268 1B 3 4 9 5 2B 5 1 7B 4 2 2 5 5 8B 3 5 5 4B 4 15 7 23 1 3 5B 1 3 6 5 2 1 1 12B RED/ YEL GRN/ VIO GRN) WHT RED/ GRN/ (OR GRN) (OR YEL/ BRN RED/BRN RED/ BRN RED/ BRN RED/ BRN RED/ BRN BRN RED/ BRN RED/ BRN RED/ BRN RED/ RED/ BRN BRN RED/ BLK RED/ WHT RED/ RED/ VIO RED/ VIO BRN RED/ GRN RED/ GRN RED/ BLK RED/ RED (OR RED/ BLK) YEL RED/ RED/ YEL RED WHT RED/ BLU RED/ WHT RED/ VIO RED/ VIO RED/ BLU RED/ BRN RED/ BRN RED/ RED RED RED/ BRN RED/ YEL WHT RED/ RED/ WHT WHT RED/ BLU GRN/ GRN/ BLK GRN GRN/ WHT YEL GRN/ GRN/ YEL BLU GRN/ RED/BRN GRN RED/ RED/ GRN RED/ BLK NCA RED/ BRN BRN RED/ RED/ GRN YEL RED/ RED WHT RED/ RED/ YEL RED RED/ GRY GRN RED/ RED/ BRN RED/ WHT YEL RED/ BRN RED TERMINAL 30B RELAY FUSE 164 FUSE 132 FUSE 127 FUSE 122 FUSE 128 FUSE 125 FUSE 155 FUSE 121 FUSE 142 FUSE 165 FUSE 162 FUSE 153 12 V CONNECTION 1 FUSE 139 FUSE 103 FUSE 124 FUSE 141 FUSE 126 FUSE 123 FUSE 140 FUSE 159 FUSE 152 TERMINAL 15N RELAY FUSE 146 FUSE 104 FUSE 100 FUSE 161 FUSE 117 FUSE 160 FUSE 116 FUSE 143 FUSE 148 FUSE 147 FUSE 154 Z10 9B Z10 9B EARLY PRODUCTION 7 8 LATE PRODUCTION 6 7 8 CONVERTIBLE W/O TRAILER MODULE W/ NAVIGATION W/O NAVIGATION W/ TRAILER MODULE (EARLY PRODUCTION) W/O AUTOMATIC ENGINE START STOP FUNCTION 6 W/ AUTOMATIC ENGINE START STOP FUNCTION COUPE CONVERTIBLE 7 8 (W/ BASE RADIO) (W/ HIFI RADIO) (IF EQUIPPED) (IF EQUIPPED) CONVERTIBLE (LATE PRODUCTION) (W/ PARKING MANEUVERING ASSISTANT) (IF EQUIPPED) (COUPE) (UNDER RIGHT FRONT OF LUGGAGE COMPT FLOOR) (RIGHT KICK PANEL) (RIGHT SIDE OF LUGGAGE COMPT) (RIGHT CORNER OF LUGGAGE COMPT) (RIGHT CORNER OF LUGGAGE COMPT) (RIGHT KICK PANEL) FROM DC/DC CONVERTER (DIAGRAM 4 OF 4) TO DC/DC CONVERTER (DIAGRAM 4 OF 4) FROM FUSE BOX (DIAGRAM 1 OF 4) FROM BISTABLE RELAY (DIAGRAM 4 OF 4) TO BISTABLE RELAY (DIAGRAM 4 OF 4) TO REAR ELECTRONIC MODULE (DIAGRAM 4 OF 4) TO DC/DC CONVERTER (DIAGRAM 4 OF 4)
1 2 2 1 2 1 SOLID STATE N 7.5A E 5A 5A 7.5A STATE SOLID 20A 30A G 7.5A 20A M 30A 15A SOLID STATE SOLID STATE K 20A L 30A 30A 30A 7.5A 20A F 5A 5A J H REAR FUSE HOLDER RIGHT HEADLIGHT CONTACT-FREE TAILGATE OPENING EVALUATION ELECTRONICS COMBOX TRAILER SOCKET TELEMATIC COMMUNICATION BOX TRAILER MODULE FRONT ELECTRONIC MODULE HORN RELAY DIAGNOSIS SOCKET LEFT HEADLIGHT TELEMATIC COMMUNICATION BOX LIGHT SWITCH UNIT DRIVER ASSISTANCE SYSTEMS OPERATING UNIT HEATING/ AIR CONDITIONING SYSTEM STEERING COLUMN SWITCH CLUSTER PASSENGER ELECTRONIC OUTER DOOR HANDLE MODULE DRIVER ELECTRONIC OUTER DOOR HANDLE MODULE REAR ELECTRONIC MODULE REAR WINDOW DEFOGGER RELAY DIGITAL MOTOR ELECTRONICS 1B 29 3 9 9 X1396 1B 1B 12 10B 2B 3 4 1B 3B 3 4 X382 3B 5 1B 40 23 X28 1B 23 X5 1B 4 3B 30 4 2B 2B 7B 1 7 9 1 14 37 1 31 16 12B 3B 33 47 14 1B 1 14B 13 20 2 5 13B 11B 6 1 5 2 3B 12 1 2 3B 5 4 8B 3 1 4 7B 3 3 2 22 1B X13 1B 12 3 1B 7 6 5 4 3 2 1 (OR RED/ GRN) (OR RED/ RED/ YEL YEL BLU/ VIO) RED/ GRY RED/GRY RED/GRY (OR RED) (OR BLK) RED/ BLK) RED/ (OR RED/BRN BLU BLK) (OR WHT/ (OR WHT/BLK) WHT RED/ RED/ GRY (OR RED) (OR RED) (OR RED) (OR RED) (OR RED/ VIO) GRN) (OR RED/ YEL RED/ YEL RED/ YEL RED/ YEL RED/ YEL RED/ RED YEL/ RED/ YEL RED/ GRN RED/ WHT RED/ BLU RED/ BLU RED WHT RED/ RED/ VIO RED/ YEL RED/ YEL RED/ VIO WHT/ RED RED/ GRY YEL RED/ RED/ VIO RED/BRN BRN RED/ RED/ YEL YEL BLU/ RED/ BRN GRY RED/ BLK/ WHT WHT BLK/ WHT/BLU BLK/WHT RED GRN/WHT RED/BRN BRN BISTABLE RELAY FUSE 120 FUSE 150 FUSE 113 FUSE 149 FUSE 114 TERMINAL 30F RELAY FUSE 6 FUSE 7 FUSE 14 FUSE 4 FUSE 5 FUSE 12 FUSE 13 FUSE 10 FUSE 11 FUSE 84 FUSE 80 FUSE 83 FUSE 85 DC/DC CONVERTER Z10 9B W/ TELEMATIC COMMUNICATION BOX W/ COMBOX W/ TRAILER MODULE W/O TRAILER MODULE EARLY PRODUCTION LATE PRODUCTION (W/ LED HEADLAMPS) (W/ BASIC VERSION) 3.0L TWIN TURBO 2.0L TURBO (NOT USED) (UNDER RIGHT FRONT OF LUGGAGE COMPT FLOOR) (RIGHT KICK PANEL) (RIGHT SIDE OF LUGGAGE COMPT) (RIGHT CORNER OF LUGGAGE COMPT) TO TERMINAL 15N RELAY (DIAGRAM 3 OF 4) FROM FUSE 160 (DIAGRAM 3 OF 4) FROM FRONT POWER DISTRIBUTION BOX (DIAGRAM 1 OF 4) FROM FUSE BOX (DIAGRAM 1 OF 4) FROM FUSE BOX (DIAGRAM 1 OF 4) FROM REAR POWER DISTRIBUTION BOX (DIAGRAM 3 OF 4) FROM REAR FUSE HOLDER (DIAGRAM 3 OF 4) TO REAR FUSE HOLDER (DIAGRAM 3 OF 4) FROM REAR FUSE HOLDER (DIAGRAM 3 OF 4)