Bmw·128I Coupe·2012 BMW 128I Coupe·Wiring
Wiring diagram

2012 BMW 128I Coupe — power distribution

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Power distribution

1 2 1 1 1 2 2 1 40A 40A 50A 15A 20A 50A 40A 250A 100A 100A 100A 5A 40A 20A N/A A 20A 10A 7.5A LUGGAGE WELL B+ TERMINAL POINT DME CONTROL MODULE REAR FUSE HOLDER JUMP START TERMINAL POINT JUMP START TERMINAL POINT ALTERNATOR STARTER ELECTRIC AUXILIARY HEATER ELECTRONIC POWER STEERING (EPS) OIL CONDITION SENSOR CONVERTIBLE TOP RELAY 2 CONVERTIBLE TOP RELAY 1 VVT RELAY ELECTRIC COOLANT PUMP VALVETRONIC RELAY DME CONTROL UNIT JUNCTION BOX DME RELAY HEADLIGHT WASHER RELAY REAR WINDOW WIPER RELAY DME CONTROL MODULE PASSENGER'S SEAT HEATING MODULE ROOF FUNCTION CONTROL CENTER FOOTWELL MODULE CAR ACCESS SYSTEM DRIVER'S SEAT HEATING MODULE FOOTWELL MODULE X60571 X13146 1 6 1 2 X8684 X8684 6 2 X8682 X8682 1 2 3 1 X8683 2 X8683 X60005 X8682 X8681 X8682 X8681 6 2 1 5 8 10 1 2 2 4 6 X6430 X10002 1 X11009 4 X14261 34 X275 9 X6011 10 X279 9 X7520 X60234 X60001 41 42 X60002 1 X13376 X01195 X10209 X1984 2 X10004 1 X13020 4 X11007 6 4 X11008 X11009 X18261 X9230 1 1 1 3 X60001 35 X60005 2 3 1 X6404 X6512 X18090 X10272 10 4 3 X11001 34 2 7 X13709 X14260 4 1 7 X013709 X60003 X14286 VIO RED/ WHT WHT RED/ RED/ WHT WHT RED/ RED RED RED RED RED RED NCA RED RED RED GRN RED/ RED/ GRN WHT/ GRY WHT/ GRY GRN RED/ RED/ GRN RED RED VIO RED/ RED/WHT RED/VIO RED/VIO VIO VIO RED/GRN) (OR (OR NCA) RED RED RED RED RED RED RED/ RED/ RED/WHT RED RED NCA RED GRY GRY GRY RED NCA NCA NCA NCA RED GRN/ RED RED RED RED BRN RED/WHT RED/BLK BLU GRN RED FUSE 104 FUSE 101 FUSE 103 FUSE 105 FUSE 102 FUSE 105 BATTERY BATTERY SENSOR IGNITION & FUEL INJECTION RELAY ENGINE CONTROLS FUSE CARRIER FUSE 4 FUSE 7 FUSE 1 FUSE 3 FUSE 2 FUSE 86 FUSE 84 FUSE 55 FUSE 68 FUSE 62 FUSE 3 FUSE 4 X6402 3.0L 3.0L TWIN TURBO (3.0L) (3.0L TWIN TURBO) (3.0L) (3.0L) (RIGHT SIDE OF REAR COMPT) (RIGHT SIDE OF REAR COMPT) (RIGHT PLENUM CHAMBER E-BOX) (UNDER RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM TO FUSE 67 (DIAGRAM 2 OF 5)
30A 30A 15A 15A 30A 30A 30A 7.5A 30A 40A F 40A 50A 5A 60A C 30A 5A 10A 50A C B 15A 5A 30A 40A 40A 30A 20A A B JUNCTION BOX FUEL PUMP RELAY WIPER RELAY 2 WIPER RELAY 1 ELECTRIC COOLANT PUMP ELECTRIC VACUUM PUMP RELAY PASSENGER'S SEAT MODULE DYNAMIC STABILITY CONTROL (DSC) CAR ACCESS SYSTEM FOOTWELL MODULE GEAR INDICATOR LIGHTING ELECTRO- CHROMIC INTERIOR REAR VIEW MIRROR HEATED REAR WINDOW RELAY ELECTRONICS JUNCTION BOX JUNCTION BOX LEFT BOOTLID RESISTOR FOOTWELL MODULE REAR WINDOW DEFOGGER SIREN WITH TILT ALARM SENSOR SIREN & TILT ALARM SENSOR REAR WINDOW DEFOGGER LOCKOUT CIRCUIT (POSITIVE) DRIVER'S DOOR MICROWAVE SENSOR PASSENGER'S DOOR MICROWAVE SENSOR RIGHT REAR MICROWAVE SENSOR ELECTRONICS JUNCTION BOX JUNCTION BOX OBDII SOCKET STEERING COLUMN SWITCH CLUSTER ELECTRIC FAN CUT-OUT RELAY INSTRUMENT CLUSTER CONTROL MODULE SECONDARY AIR PUMP RELAY DYNAMIC STABILITY CONTROL (DSC) CAR ACCESS SYSTEM ROLLOVER PROTECTION CONTROLLER 8 2 X379 1 X257 17 3 X256 17 X279 4 X013709 7 X11004 6 X60552 6 X6041 2 X04010 6 21 23 5 3 22 1 3 6 X11006 X11007 2 1 2 3 2 3 X11001 X11011 4 6 X11001 19 X14272 X14270 11 X04010 2 X11005 3 3 2 X11007 4 X11004 X14272 2 3 X18303 1 9 X1880 16 9 7 21 X13376 2 X11002 2 8 9 2 X11009 X11004 3 1 4 X9944 1 32 X18303 X13376 1 1 21 X14261 X11008 BLU RED/ BLK BLK NCA NCA NCA GRN RED/ RED/ BRN BRN RED/ RED RED RED/ BRN RED/ BRN BRN RED/ BLK RED/ RED/ BLK GRN RED/ BLK BRN RED/ BRN RED/ BRN RED/ RED/ BRN RED RED/ YEL BLU RED/ YEL RED/BLK RED/ RED/ YEL RED/ YEL RED RED RED/ VIO RED/ BLK RED/ BLU RED RED/GRN RED FUSE 50 FUSE 67 FUSE 63 FUSE 82 FUSE 81 FUSE 36 FUSE 33 FUSE 49 FUSE 12 FUSE 73 FUSE 80 FUSE 79 FUSE 78 FUSE 72 FUSE 41 FUSE 54 FUSE 47 FUSE 74 FUSE 75 FUSE 90 FUSE 89 FUSE 51 FUSE 92 FUSE 53 (3.0L) (CONVERTIBLE) CONVERTIBLE COUPE CONVERTIBLE COUPE (400W) (600W) (UNDER RIGHT SIDE OF DASH) (UNDER RIGHT SIDE OF DASH) (UNDER RIGHT SIDE OF DASH) TO FUSE 41 (DIAGRAM 2 OF 5) FROM FUSE 3 (DIAGRAM 1 OF 5) FROM FUSE 12 (DIAGRAM 2 OF 5) TO FUSE 51 (DIAGRAM 2 OF 5) FROM FUSE 73 (DIAGRAM 2 OF 5) TO TERMINAL 30G RELAY (DIAGRAM 3 OF 5)
1 2 1 2 3 4 3 4 R 5A Q 40A K P M 20A 30A 5A 20A 30A D E L 5A 20A F 15A CAR ACCESS SYSTEM JUNCTION BOX TRAILER SOCKET ACTIVE STEERING ELECTRIC FAN CUT-OUT RELAY AERIAL DIVERSITY CD CHANGER AMPLIFIER CAR INFORMATION COMPUTER (CIC) RADIO JUNCTION BOX PASSENGER SEAT MODULE ROOF FUNCTION CONTROL CENTER CONVERTIBLE TOP MODULE (CTM) DYNAMIC STABILITY CONTROL (DSC) DRIVER'S SEAT MODULE X13709 X275 X1716 9 9 X11002 4 1 X18180 X13911 X11006 3 X13718 1 4 X11006 X279 4 X11003 1 X13812 15 2 X1276 1 4 6 X11008 1 9 1 2 X11003 6 7 X13709 7 X18303 X13037 22 17 5 2 X14287 X11006 8 X13376 13 11 12 9 10 8 10 8 7 9 6 5 7 14 10 7 8 9 13 11 12 14 X10318 8 5 10 X18773 5 X10266 5 6 4 3 3 4 2 1 2 1 1 X13376 2 X11010 1 2 4 5 6 3 4 15 X13812 1 BRN RED/ RED/ RED/BLK BLK BLK RED/ RED/ BLK RED/GRN RED/ BRN BRN RED/ GRN RED/ RED/ GRN GRN RED/ GRY RED/ BLU RED/ RED BLK/ BLU RED/ RED RED/ RED/ BRN GRY RED/ GRY RED/ GRY RED/ GRY GRN GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY RED/ GRN RED/ GRN GRY GRY GRY GRY GRY GRY GRY GRY RED GRY GRY RED RED/ GRN RED/ START STOP BUTTON SIDE-IN COMPARTMENT TERMINAL 30G RELAY FUSE 28 FUSE 49 FUSE 71 FUSE 15 FUSE 19 FUSE 14 FUSE 45 FUSE 25 FUSE 26 FUSE 46 W/ HIFI W/ TOP HIFI W/O AUTOMATIC ENGINE START- STOP FUNCTION W/ AUTOMATIC ENGINE START- STOP FUNCTION W/ CIC W/O CIC (CONVERTIBLE W/ ANTENNA DIVERSITY) COUPE CONVERTIBLE (UNDER LEFT SIDE OF DASH) (UNDER RIGHT SIDE OF DASH) (UNDER RIGHT SIDE OF DASH) TO DC/DC CONVERTER (DIAGRAM 5 OF 5) TO TERMINAL 15 RELAY (DIAGRAM 4 OF 5) FROM DC/DC CONVERTER (DIAGRAM 5 OF 5) FROM FUSE 89 (DIAGRAM 2 OF 5) TO FUSE 76 (DIAGRAM 4 OF 5) TO FUSE 85 (DIAGRAM 5 OF 5) TO FUSE 65 (DIAGRAM 4 OF 5) TO DC/DC CONVERTER (DIAGRAM 5 OF 5) FROM FUSE 23 (DIAGRAM 5 OF 5)
1 2 1 2 2 1 R 10A 10A 10A H O J G 40A 5A 5A 5A 5A 10A 20A L 10A 7.5A D 15A 5A 10A JUNCTION BOX HORN RELAY TELEPHONE RETROFIT PACKAGES CONNECTOR AUC SENSOR PASSENGER'S SEAT HEATING MODULE DRIVER'S SEAT HEATING MODULE PARK DISTANCE CONTROL (PDC) ROOF FUNCTION CONTROL CENTER STEERING COLUMN SWITCH CLUSTER BLOWER OUTPUT STAGE DRIVER'S SWITCH CLUSTER TELEPHONE TRANSCEIVER RIGHT HORN LEFT HORN JUNCTION BOX ELECTRONICS JUNCTION BOX CONTROLLER PASSENGER'S SIDE OUTSIDE MIRROR GEAR INDICATOR LIGHTING DRIVER'S SWITCH CLUSTER FUEL PUMP CONTROL (EKPS) GLOVE COMPARTMENT LIGHT RIGHT LUGGAGE COMPARTMENT LIGHT CENTRAL INFORMATION DISPLAY HEATING/AIR CONDITIONING SYSTEM TIRE PRESSURE CONTROL (RDC) LONGITUDINAL DYNAMICS MANAGEMENT VIDEO MODULE SATELLITE RECEIVER DIGITAL TUNER US ULF-SBX EJECT BOX ULF TCU COMBOX USB HUB ULF-SBX-H X10254 10 5 X10171 9 17 X17397 X14133 17 17 X14133 1 X34130 17 X14133 5 17177 1 3 X9331 3 X11002 X13822 X14272 1 1 X13663 X256 8 X257 8 X9944 X279 5 X275 5 X13709 4 X9331 X257 24 X14286 X300 4 X608 X11011 2 2 X11001 10 4 4 X11010 6 9 35 X14133 8 3 7 6 7 1 X1848 3 X04010 10 X14272 37 X14270 13 X11008 2 6 7 1 3 6 1 13 5 16 6 X11007 2 2 X1716 10 1 X14454 X14130 X14062 X11002 X11003 1 X10387 7 8 1 1 15 RED GRN/ RED GRN/ RED/ YEL YEL RED/ RED/ YEL RED/ YEL YEL RED/ RED/ YEL YEL RED/ NCA RED/ YEL YEL RED/ RED/ YEL YEL RED/ YEL RED/ GRY RED/ GRY RED/ RED GRN/ GRN/ RED GRN/BLK RED/ YEL RED/ VIO GRN/ BRN BRN GRN/ BLK GRN/ GRN/ BLK BLK GRN/ BLK BLK GRN/ GRN/ GRN/ WHT RED GRN/ WHT GRN/ WHT GRN/ RED/ RED/ YEL RED/ BRN RED/ BRN YEL BLK RED/ GRY RED/ RED/ NCA BLK RED/ YEL GRY RED/ YEL RED/ YEL RED/ VIO/ VIO/ BLU BLU GRN RED/ BLU RED/ BLU RED/ VIO RED/ VIO RED/ BLU RED/BLU RED/BLU TERMINAL 15 RELAY FUSE 6 FUSE 9 FUSE 7 FUSE 5 FUSE 10 FUSE 88 FUSE 57 FUSE 77 FUSE 76 FUSE 18 FUSE 27 FUSE 13 FUSE 65 FUSE 66 FUSE 70 W/O AUTOMATIC ENGINE START- STOP FUNCTION W/ AUTOMATIC ENGINE START- STOP FUNCTION W/ ULF-SBX-H W/ COMBOX W/ ULF W/ TCU W/ ULF-SBX (UNDER RIGHT SIDE OF DASH) (UNDER RIGHT SIDE OF DASH) FROM CAR ACCESS SYSTEM (DIAGRAM 3 OF 5) FROM BISTABLE RELAY (DIAGRAM 5 OF 5) TO FUSE 8 (DIAGRAM 5 OF 5) TO DC/DC CONVERTER (DIAGRAM 5 OF 5) TO FUSE 20 (DIAGRAM 5 OF 5) FROM FUSE 28 (DIAGRAM 3 OF 5) FROM JUNCTION BOX (DIAGRAM 3 OF 5)
2 1 1 2 Q G 20A 30A H K P M O 20A 10A J 10A 15A 5A 30A 5A 20A 30A E JUNCTION BOX INDEPENDENT/ AUXILIARY HEATING CONTROL UNIT ACTIVE CRUISE CONTROL TRANSMISSION CONTROL DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST ADJUSTMENT VALVE BLOCK DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK DRIVER'S LUMBAR SUPPORT SWITCH PASSENGER'S LUMBAR SUPPORT SWITCH DRIVER'S LUMBAR SUPPORT VALVE BLOCK PASSENGER'S LUMBAR SUPPORT VALVE BLOCK ELECTRONICS JUNCTION BOX JUNCTION BOX CCC/M-ASK TRAILER MODULE TCU COMBOX EJECT BOX PASSENGER'S SIDE OUTER DOOR HANDLE ELECTRONIC MODULE DRIVER'S SIDE OUTER DOOR HANDLE ELECTRONIC MODULE COMFORT ACCESS CONTROL UNIT X04010 8 X11001 2 1 3 2 1 1 2 2 X1276 12 X9331 10 X14133 X34130 2 X256 25 X257 25 X1716 1 8 X11586 X011586 8 X275 7 X279 7 X6021 1 5 X11009 18 X14270 X14271 35 40 X11004 6 10 9 7 6 5 3 4 2 1 8 X13812 3 X11003 1 2 1 10 X11002 14 8 1 3 2 2 2 1 3 2 11 13 10 X11004 3 2 8 X11007 3 3 X13354 14 13 20 5 17 15 5 RED/ BLK RED/ BLK RED/ BLK RED/ BLK BLK RED/ GRY/ RED GRN/ YEL GRN/ YEL BRN BRN BRN YEL GRN/ YEL GRN/ RED/ GRN GRN RED/ RED/YEL RED/YEL RED WHT/ RED/ YEL RED/ VIO RED/ BLK WHT BRN RED/ RED/ RED/BLK RED/WHT RED/VIO BLK/RED RED/YEL RED/GRN RED/BRN RED/WHT/YEL BRN RED/GRN RED/ YEL RED/ GRN RED/ GRN RED/ GRN RED WHT RED/ RED BLK/ BLK/ RED BLK RED/ RED RED/ BLK RED/ RED/ BLK BLK RED/ BLK RED/ BLK RED/ BLK RED/ BLK BLK RED/ RED/ RED/ RED/ RED/YEL RED/YEL YEL YEL RED/ VIO VIO GRN RED/ NCA RED/ GRN RED/ RED/YEL GRN RED/ GRN FUSE 20 FUSE 23 FUSE 21 FUSE 22 FUSE 8 FRONT CIGAR LIGHTER LUGGAGE COMPARTMENT SOCKET OUTLET REAR CENTER CONSOLE CHARGING SOCKET BISTABLE RELAY FUSE 85 FUSE 32 FUSE 31 FUSE 61 FUSE 56 FUSE 59 DC/DC CONVERTER W/ AUTOMATIC ENGINE START- STOP FUNCTION W/O AUTOMATIC ENGINE START- STOP FUNCTION (UNDER RIGHT SIDE OF DASH) (UNDER LEFT SIDE OF DASH) (RIGHT REAR SIDE OF INTERIOR PANEL) (UNDER LEFT SIDE OF DASH) (UNDER RIGHT SIDE OF DASH) (RIGHT REAR OF ENGINE COMPT) X173 X494 X173 X490 FROM HORN RELAY (DIAGRAM 4 OF 5) TO FUSE 25 (DIAGRAM 3 OF 5) FROM FUSE 27 (DIAGRAM 4 OF 5) INTERIOR LIGHTS SYSTEM FROM TERMINAL 30G RELAY (DIAGRAM 3 OF 5) TO FUSE 88 (DIAGRAM 4 OF 5) FROM FUSE 28 (JUNCTION BOX) (DIAGRAM 3 OF 5) FROM CAR ACCESS SYSTEM (DIAGRAM 3 OF 5) FROM FUSE 6 (JUNCTION BOX) (DIAGRAM 4 OF 5) TO JUNCTION BOX (DIAGRAM 3 OF 5)