BMW 3 series E90/E91/E92/E93 facelift (2008-2013) relay energized Wiring diagrams

BACKREST BRN WIRE DRIVER'S SEAT ADJUSTMENT SWITCH DRIVER'S SEAT FORWARD/ BACKWARD ADJUSTMENT DRIVE UNIT (UNDER DRIVER SEAT) DRIVER'S SIDE BACKREST ANGLE ADJUSTMENT MOTOR (UNDER DRIVER SEAT) FUSE 45 FWD/BWD GRN WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE RED WIRE RELAY ENERGIZED VIO WIRE WHT WIRE YEL WIRE

BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER BACKREST LOCK SWITCH DRIVER'S SEAT ANGLE ADJUSTMENT DRIVE UNIT (UNDER DRIVER'S SEAT) DRIVER'S SEAT FORWARD/ BACKWARD ADJUSTMENT DRIVE UNIT (UNDER DRIVER'S SEAT) DRIVER'S SEAT HEIGHT ADJUSTMENT DRIVE UNIT (UNDER DRIVER'S SEAT) DRIVER'S SEAT MODULE (UNDER DRIVER'S SEAT) FUSE GRN WIRE GRY/BLK WIRE GRY/WHT WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) ORG/GRN WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RELAY ENERGIZED VIO WIRE VIO/BLK WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE

BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT ADJUSTMENT SWITCH DRIVER'S SEAT ANGLE ADJUSTMENT DRIVE (UNDER DRIVER'S SEAT) DRIVER'S SEAT HEIGHT ADJUSTMENT DRIVE UNIT (UNDER DRIVER'S SEAT) DRIVER'S SEAT MODULE (UNDER DRIVER'S SEAT) DRIVER'S SIDE BACKREST ANGLE ADJUSTMENT MOTOR (UNDER DRIVER'S SEAT) ELECTRONICS JUNCTION BOX FUSE 46 GRN WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED RELAY ENERGIZED FUSE 77 SEATS SYSTEM VIO WIRE VIO/BLK WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE COMFORT ACCESS CONTROL MODULE (RIGHT SIDE OF REAR COMPT) COMPUTER DATA LINES SYSTEM ELECTROCHROMIC INTERIOR REAR VIEW MIRROR EXCEPT CONVERTIBLE CONVERTIBLE EXCEPT CONVERTIBLE W/O SUNROOF FBD RECEIVER FUSE 25 FUSE 63 FUSE 7 GRN WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/VIO WIRE HOT AT ALL TIMES HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) FUSE 62 HOT W/ HOT W/ TERMINAL 15 RELAY ENERGIZED LED ANTI- THEFT 1 2 ALARM SYSTEM ORG/GRN WIRE POWER DISTRIBUTION SYSTEM RED/BLK WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RELAY ENERGIZED ROOF FUNCTION CONTROL CENTER SIREN W/ TILT ALARM SENSOR

BLU WIRE BRN WIRE CENTER CONSOLE SWITCH CENTER COMPUTER DATA LINES SYSTEM DRIVER'S SEAT BACKREST HEATING ELEMENT (IN DRIVER SEAT BACK) DRIVER'S SEAT CUSHION HEATING (IN DRIVER SEAT CUSHION) DRIVERS SEAT MODULE (UNDER DRIVER SEAT) ELECTRONICS JUNCTION BOX FUSE 45 FUSE 46 GRN WIRE HEATING/ AIR CONDITIONING JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE ORG/ WIRE ORG/GRN WIRE PASSENGER'S SEAT BACKREST HEATING ELEMENT (IN PASSENGER SEAT BACK) PASSENGER'S SEAT CUSHION HEATING (IN PASSENGER SEAT CUSHION) PASSENGER'S SEAT MODULE RED WIRE RED/BRN WIRE RED/YEL WIRE RELAY ENERGIZED RELAY ENERGIZED FUSE 77 SYSTEM (CENTER OF DASH, ABOVE RADIO) WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE

AERIAL DIVERSITY (CENTER REAR OF ROOF) BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CONVERTIBLE TOP MODULE FM AERIAL 1 FM AERIAL 3 FM FM AERIAL 2 AERIAL 4 FUSE 18 FUSE 19 GRN WIRE HOT AT ALL TIMES HOT W/ TERMINAL JUNCTION BOX (UNDER RIGHT SIDE OF DASH) LEFT FRONT MID-RANGE SPEAKER LEFT REAR MID-RANGE SPEAKER LEFT SIDE SECTION ANTENNA AMPLIFIER LEFT SUB- WOOFER NCA WIRE REAR WINDOW ANTENNA AMPLIFIER REAR-WINDOW AERIAL RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT MID-RANGE SPEAKER RIGHT REAR MID-RANGE SPEAKER RIGHT SIDE SECTION ANTENNA AMPLIFIER RIGHT SUB- WOOFER SAT SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) SDARS AERIAL 1 W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION WHT WIRE YEL/BRN WIRE YEL/RED WIRE

18 19 20 21 22 (PIN 23-26 NOT USED) 3 4 W/O COM BOX W/ COM BOX AUX-IN CONNECTION BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/ORG WIRE CAR INFORMATION COMPUTER CIC CD CHANGER (LEFT SIDE OF REAR COMPT) CENTRAL INFORMATION DISPLAY COMPUTER DATA LINES SYSTEM DIGITAL TUNER AERIAL DIGITAL TUNER AERIAL 2 DUAL REMOTE CONTROL RECEIVER FUSE FUSE 18 FUSE 19 GRN WIRE GRY/RED WIRE HOT AT ALL TIMES HOT W/ TERMINAL HOT W/ JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT IN-BUMPER TV AERIAL LEFT MICROPHONE MOST-BUS CONNECTOR NCA WIRE ODBI SOCKET ORG/ WIRE ORG/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT IN-BUMPER TV AERIAL ROOF AERIAL TCU/ULF-SBX ULF-SBX-H/ COM BOX USB PORT VIDEO MODULE (LEFT SIDE OF REAR COMPT) W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

1 2 3 4 RIGHT SUB- WOOFER 2 3 1 4 LEFT SUB- WOOFER BLK WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CD CHANGER (LEFT SIDE OF REAR COMPT) FUSE 18 (UNDER RIGHT SIDE OF DASH) FUSE 19 GPS AERIAL GRN WIRE HOT AT ALL TIMES HOT W/ TERMINAL JUNCTION BOX LEFT FRONT MID-RANGE SPEAKER LEFT REAR MID-RANGE SPEAKER LEFT SIDE LEFT SIDE WINDOW WINDOW ANTENNA ANTENNA AMPLIFIER MOST-BUS CONNECTOR NCA WIRE REAR-WINDOW AERIAL RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT MID-RANGE SPEAKER RIGHT REAR MID-RANGE SPEAKER RIGHT SIDE RIGHT SIDE WINDOW WINDOW ANTENNA ANTENNA AMPLIFIER ROOF ANTENNA SAT SATELLITE RECEIVER (LEFT SIDE OF REAR COMPT) TUC/ULF-SBX ULF-SBX-H/ COM BOX W/ AUTOMATIC ENGINE START-STOP FUNCTION W/O AUTOMATIC ENGINE START-STOP FUNCTION W/O COM BOX W/ COM BOX WAGON SEDAN, COUPE 2 3 4 WHT WIRE YEL/BRN WIRE YEL/RED WIRE

ANGLE ADJUSTMENT DRIVE (UNDER PASSENGER'S SEAT) BLK/VIO WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COUPE ELECTRONICS JUNCTION BOX FUSE 45 GRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/WHT WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE ORG/ WIRE ORG/GRN WIRE PASSENGER'S BACKREST REST SWITCH (CONVERTIBLE) PASSENGER'S HEAD RESTRAINT ADJUSTMENT DRIVE (CONVERTIBLE) PASSENGER'S SEAT ADJUSTMENT SWITCH PASSENGER'S SEAT MODULE (UNDER FRONT PASSENGER'S SEAT) PASSENGER'S SEAT) PASSENGER'S SIDE EASY ENTRY SWITCH RED WIRE RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED RELAY ENERGIZED FUSE 77 SEATS SYSTEM VIO WIRE VIO/BLK WIRE VIO/BRN WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SIDE OUTSIDE MIRROR DRIVER'S SWITCH CLUSTER FUSE 66 GRY WIRE GRY/RED WIRE JUNCTION BOX (UNDER RIGHT SIDE OF DASH) NCA WIRE PASSENGER'S SIDE OUTSIDE MIRROR RED WIRE RED/GRY WIRE RELAY ENERGIZED WHT WIRE