BMW 3 series E90/E91/E92/E93 (2005-2010) junction box electronics Wiring diagrams

ANTI-THEFT SYSTEM BLK WIRE BLK/GRN WIRE BLK/VIO WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/VIO WIRE BRN/WHT WIRE CAR ACCESS SYSTEM (UNDER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE GEAR INDICATOR LIGHT GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT MULTI- FUNCTION STEERING WHEEL SWITCH BLOCK LEFT ROCKER SWITCH NCA WIRE RED WIRE RED/BLK WIRE RED/YEL WIRE RELAY RIGHT MULTI-FUNCTION STEERING WHEEL SWITCH BLOCK RIGHT ROCKER SWITCH SELECTOR LEVER POSITION SWITCH (UNDER SHIFTER, IN CENTER CONSOLE) SHIFT LOCK SELECTOR LEVER LOCK STEERING COLUMN SWITCH CLUSTER STEPTRONIC SWITCH (UNDER SHIFTER, IN CENTER CONSOLE) TRANSMISSION CONTROL UNIT WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

BLU WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE CENTER CONSOLE SWITCH CENTER DRIVER'S SEAT BACKREST HEATING (IN DRIVER SEAT BACK) DRIVER'S SEAT CUSHION HEATING (IN DRIVER SEAT CUSHION) DRIVER'S SEAT HEATING MODULE (UNDER DRIVER SEAT) FUSE 10 FUSE 3 FUSE 68 GRN WIRE GRN/BRN WIRE HEATING, A/C SYSTEM HOT AT ALL TIMES HOT W/ TERMINAL 15 RELAY ENERGIZED JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS NCA WIRE PASSENGER'S SEAT BACKREST HEATING (IN PASSENGER SEAT BACK) PASSENGER'S SEAT CUSHION HEATING PASSENGER'S SEAT HEATING MODULE (UNDER FRONT PASSENGER'S SEAT) RED WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED FUSE 77 VIO WIRE WHT WIRE WHT/BLU WIRE WHT/YEL WIRE YEL WIRE

BLK/VIO 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 BACKREST REST SWITCH FUSE GRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS NCA WIRE ORG/ WIRE ORG/GRN WIRE PASSENGER'S BACKREST ANGLE ADJUSTMENT DRIVE (UNDER PASSENGER SEAT, ON TRACK) PASSENGER'S SEAT ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST HEATING (IN PASSENGER SEAT BACK) PASSENGER'S SEAT CUSHION HEATING (IN PASSENGER SEAT CUSHION) PASSENGER'S SEAT MODULE PASSENGER'S SEAT SEAT ANGLE ADJUSTMENT DRIVE (UNDER 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 FUSE 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

BLK WIRE BLU WIRE BRN WIRE DRIVER'S SIDE OUTSIDE MIRROR DRIVER'S SWITCH CLUSTER FOOTWELL MODULE (UNDER LEFT SIDE OF DASH) FUSE 9 GRN WIRE GRN/RED WIRE GRY WIRE HEATING HORIZONTAL HOT W/ TERMINAL 15 RELAY ENERGIZED JUNCTION BOX ELECTRONICS NCA WIRE PASSENGER'S SIDE OUTSIDE MIRROR RED WIRE VERTICAL WHT WIRE YEL WIRE

BLK/BLU WIRE BLK/YEL WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/BLU WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE DRIVER'S REAR SIDE POWER WINDOW MOTOR (LEFT REAR DOOR) EXCEPT CONVERTIBLE FUSE GRN WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEFT REAR WINDOW REGULATOR MOTOR PASSENGER'S REAR SIDE POWER WINDOW MOTOR (RIGHT REAR DOOR) POWER WINDOW SWITCH, REAR DRIVER'S SIDE (WAGON) POWER WINDOW SWITCH, REAR PASSENGER'S SIDE (WAGON) RED WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT REAR WINDOW REGULATOR MOTOR VIO WIRE WHT WIRE WHT/GRY WIRE WHT/YEL WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 GROUND 1 2 3 4 GROUND CAN L CAN H BRN WIRE CENTER CONSOLE SWITCH CENTER FUSE GRN WIRE HEATING/AIR CONDITIONING SYSTEM (CENTER OF DASH, ABOVE RADIO) JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS NCA WIRE ORG/GRN WIRE RED/YEL WIRE RELAY ENERGIZED WHT WIRE YEL WIRE

ACC PDL GRD ACC PDL (+) ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM STARTING/CHARGING SYSTEM BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/VIO WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE VACUUM SENSOR BRK SENS BRN WIRE BRN/BLU WIRE BRN/GRY WIRE BRN/ORG WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM ANTI-THEFT SYSTEM COOLING FANS SYSTEM CRANKSHAFT BREATHER HEATING 1 (LEFT SIDE OF ENGINE) CRANKSHAFT BREATHER HEATING 2 DME CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) E-BOX SIG FUSE GRN/RED WIRE GRY WIRE GRY/VIO WIRE HOT AT ALL TIMES JUNCTION BOX (UNDER RIGHT SIDE OF DASH) JUNCTION BOX ELECTRONICS LEAK DIAG SIG SENSOR GRD SENSOR GRD SENSOR SIG SENSOR SIG NCA WIRE ORG/ WIRE OXYGEN SENSOR 1 BEFORE CATALYTIC (RIGHT SIDE OF ENGINE) OXYGEN SENSOR 1 BEHIND CATALYTIC OXYGEN SENSOR 2 BEFORE CATALYTIC (RIGHT SIDE OF ENGINE) OXYGEN SENSOR 2 BEHIND CATALYTIC RADIATOR OUTLET TEMPERATURE SENSOR (RIGHT SIDE OF ENGINE) RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE YEL/WHT WIRE