BMW 3 series E46 facelift (2001-2006) hot at all times Wiring diagrams

1 2 3 LUMBAR SW - ADJUSTMENT SWITCHES BLK/VIO WIRE BLK/YEL WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT BACKREST ADJUSTMENT MOTOR DRIVER'S SEAT FORWARD/ BACKWARD ADJUSTMENT MOTOR DRIVER'S SEAT HEIGHT ADJUSTMENT MOTOR DRIVER'S SEAT MEMORY CONTROL UNIT DRIVER'S SEAT TILT ADJUSTMENT MOTOR FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN/VIO WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BRN WIRE HOT AT ALL TIMES ILLUM INSTRUMENT CLUSTER CONTROL MODULE LUMBAR SW + PROGRAM SWITCHES (3) RED/BLK WIRE RED/BRN WIRE SEAT BACKREST SEAT HEIGHT SEAT TILT SEAT FWD/BACK SEAT BACKREST) SEATS SYSTEM (LUMBAR CIRCUIT, IF EQUIPPED) SET SWITCH VIO/BLK WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/RED WIRE WHT/RED/YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

BLK WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BLK/YEL WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT ADJUSTMENT SWITCH DRIVER'S SEAT BACKREST ADJUSTMENT MOTOR DRIVER'S SEAT BACKREST LOCK SWITCH DRIVER'S SEAT ENTRY FACILITY SWITCH (BACKREST) DRIVER'S SEAT FORWARD/ BACKWARD ADJUSTMENT MOTOR DRIVER'S SEAT HEADREST ADJUSTMENT MOTOR DRIVER'S SEAT HEIGHT ADJUSTMENT MOTOR DRIVER'S SEAT MEMORY CONTROL UNIT DRIVER'S SEAT TILT ADJUSTMENT MOTOR FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN/BLK WIRE GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE HOT AT ALL TIMES ILLUM INSTRUMENT CLUSTER CONTROL MODULE PASSENGER'S SEAT MEMORY CONTROL UNIT PROGRAM SWITCHES (3) RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE SEAT ADJUSTMENT SW ENTRANCE AID ENTRANCE AID SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW ENTRANCE AID SEAT TILT SEAT BACKREST SEAT HEADREST SEAT FWD/BACK TERM 30 SET SWITCH VIO/BRN WIRE VIO/GRY WIRE VIO/RED WIRE W/ ENTRANCE AID WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/RED/YEL WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 REVERSE SIG INFRARED REC TERM 15 BLU/RED WIRE BLU/YEL WIRE BRN/BLK WIRE ELECTROCHROMIC INTERIOR REAR VIEW MIRROR EXTERIOR LIGHTS SYSTEM (BACKUP LAMPS) FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN/WHT WIRE GRY/BLK/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START RED/BLK WIRE SECURITY TERM 31

1 2 3 4 5 6 7 8 9 10 11 12 D MOTOR D MOTOR TERM 30 ANTI-LOCK BRAKES SYSTEM BLU/VIO WIRE BRN WIRE DRIVER'S SIDE MIRROR FOLD-IN MOTOR FUSE FUSE HOLDER (GLOVE BOX) GRN/YEL WIRE HOT AT ALL TIMES HOT IN RUN OR START MIRROR ADJUSTMENT SWITCH MIRROR FOLD-IN SWITCH NCA WIRE OUTSIDE MIRROR FOLD-IN CONTROL UNIT (BEHIND GLOVE BOX) P MOTOR P MOTOR PASSENGER'S SIDE MIRROR FOLD-IN MOTOR RED/BLU WIRE RED/GRN WIRE RED/GRN/YEL WIRE RED/WHT WIRE SPEED SIG SWITCH TERM 31 WHT/GRN WIRE

BLU WIRE BRN WIRE BRN/BLK WIRE DRIVER'S BACKREST HEATER DRIVER'S SEAT HEATER FUSE FUSE HOLDER (GLOVE BOX) GRN/VIO WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN START, RUN OR ACC INSTRUMENT CLUSTER CONTROL MODULE PASSENGER'S BACKREST HEATER PASSENGER'S BACKREST HEATER RED WIRE RED/VIO WIRE SWITCH CENTER VIO WIRE VIO/BLU WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED/YEL WIRE YEL WIRE

1 2 3 ADJUST SW ADJUST SW ADJUST SW 1 2 3 DATA TERM 30 TERM 31 BLU/BLK WIRE BLU/GRN WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT MEMORY CONTROL UNIT DRIVER'S SIDE MEMORY MIRROR FOLDING MOTOR FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT HEATING ELEMENT HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE MIRROR ADJUSTMENT SWITCH PASSENGER'S SIDE MEMORY MIRROR POSITION MOTORS POSITION SENSORS RED/GRN/YEL WIRE SET SWITCH PROGRAM SWITCHES (3) WHT/RED/YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 REVERSE SIG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TERM 30 1 2 GPS ANT GPS ANT SHLD A/T ABS/ASC UNIT (LEFT REAR OF ENGINE COMPT) AF SIG ACT+ GROUND AF SIG ACT- AF SIG- ANTI-LOCK BRAKES SYSTEM AUDIO L+ AUDIO R- AUDIO SIG L- AUDIO SIG R- BLK WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE COMPUTER DATA LINES SYSTEM FUSE FUSE HOLDER (GLOVE BOX) GPS ANTENNA GROUND GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN, ACCY OR INSTRUMENT CLUSTER CONTROL MODULE K-BUS SIG LIGHTING M/T NAV BUS NAVIGATION COMPUTER (LEFT SIDE OF LUGGAGE COMPT) NCA WIRE ON-BOARD MONITOR CONTROL UNIT RADIO CONTROL UNIT RED/GRN WIRE SIG SIG NAV BUS SIG SHLD SPEED SIG TERM 30 TERM R VIDEO GROUND VIDEO SIG SHLD VIDEO SIG SHLD VIDEO SIG SHLD VIDEO SIG VIDEO SIG VIDEO SIG VIO/WHT WIRE W/ DSC W/O ASC W/O AWD W/ AWD WHT/BLU WIRE WHT/RED/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/GRN WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 REVERSE SIG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TERM 30 1 2 GPS ANT GPS ANT SHLD A/T ABS/ASC UNIT (LEFT REAR OF ENGINE COMPT) AF SIG ACT+ GROUND AF SIG ACT- AF SIG- ANTI-LOCK BRAKES SYSTEM BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE FUSE HOLDER (GLOVE BOX) GPS ANTENNA HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE K-BUS SIG M/T NAV BUS NAVIGATION COMPUTER (LEFT SIDE OF LUGGAGE COMPT) NCA WIRE RADIO CONTROL UNIT RED/GRN WIRE SPEED SIG W/ DSC W/O ASC W/O AWD W/ AWD WHT/BLU WIRE WHT/RED/YEL WIRE YEL WIRE YEL/GRN WIRE

BACKREST LOCK SW BLK WIRE BLK/VIO WIRE BLK/YEL WIRE BLU/BLK/YEL WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT MEMORY CONTROL UNIT FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN/BRN WIRE GRN/RED WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER CONTROL MODULE PASSENGER'S SEAT ADJUSTMENT SWITCH PASSENGER'S SEAT BACKREST ADJUSTMENT MOTOR PASSENGER'S SEAT BACKREST LOCK SWITCH PASSENGER'S SEAT ENTRY FACILITY SWITCH (BACKREST) PASSENGER'S SEAT FORWARD/ BACKWARD ADJUSTMENT MOTOR PASSENGER'S SEAT HEADREST ADJUSTMENT MOTOR PASSENGER'S SEAT HEIGHT ADJUSTMENT MOTOR PASSENGER'S SEAT TILT ADJUSTMENT MOTOR PASSENGER'S SEAT MEMORY CONTROL UNIT PROGRAM SWITCHES (3) RED/BLU WIRE RED/BRN WIRE RED/WHT WIRE SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW ENTRANCE AID ENTRANCE AID SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW SEAT ADJUSTMENT SW ENTRANCE AID SEAT FWD/BACK SENS SEAT HEADREST SENS BACKREST LOCK SW BACKREST LOCK SIG SEAT HEADREST SENS SEAT TILT SEAT BACKREST SEAT HEADREST SEAT FWD/BACK TERM 30 SET SWITCH VIO/GRY WIRE VIO/RED WIRE W/ ENTRANCE AID WHT WIRE WHT/GRN WIRE WHT/RED WIRE WHT/RED/YEL WIRE WHT/YEL WIRE YEL WIRE YEL/RED WIRE

1 2 3 LUMBAR SW - ADJUSTMENT SWITCHES BLK/VIO WIRE BLK/YEL WIRE BLU/GRY WIRE BLU/RED WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT MEMORY CONTROL UNIT FUSE FUSE HOLDER (GLOVE BOX) GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN/VIO WIRE GRN/YEL WIRE HOT AT ALL TIMES ILLUM INSTRUMENT CLUSTER CONTROL MODULE LUMBAR SW + PASSENGER'S SEAT BACKREST ADJUSTMENT MOTOR PASSENGER'S SEAT FORWARD/ BACKWARD ADJUSTMENT MOTOR PASSENGER'S SEAT HEIGHT ADJUSTMENT MOTOR PASSENGER'S SEAT MEMORY CONTROL UNIT PASSENGER'S SEAT TILT ADJUSTMENT MOTOR PROGRAM SWITCHES (3) RED/BRN WIRE SEAT FWD/BACK SEATS SYSTEM (LUMBAR CIRCUIT, IF EQUIPPED) SET SWITCH TERM 31 SEAT BACKREST VIO/GRY WIRE VIO/RED WIRE WHT/RED/YEL WIRE YEL/BLK WIRE YEL/BRN WIRE