BMW M3 E46 (1999-2006) (under left side of dash) electronic immobilizer control unit Wiring diagrams

1 2 3 4 5 6 7 8 9 IGNITION BATTERY BLK WIRE BLK/BLU WIRE BLK/VIO WIRE BLU WIRE BLU/GRN WIRE BLU/RED WIRE BRAKELIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) BRN WIRE BRN/BLK WIRE CUT-OFF START SIG SHIFT LOCK SUPPLY BRAKE LIGHT FUSE FUSE HOLDER (GLOVE BOX) FUSE GEAR INDICATOR LIGHT GENERAL MODULE CONTROL UNIT (BEHIND GLOVE BOX) GRN WIRE GRN/BRN WIRE GRN/RED WIRE GROUND GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT AT ALL TIMES B+ POTENTIAL DISTRIBUTOR HOT IN ACC, RUN OR START HOT IN RUN OR START IGNITION SWITCH KEY-IN SWITCH IMMOBILIZER LIGHT SWITCHING CENTER CONTROL UNIT NCA WIRE OBD SOCKET (LEFT FOOTWELL) PROGRAM BUTTON RED WIRE RED/GRN WIRE RED/YEL WIRE SELECT LEVER SELECT LEVER PROGRAM SW PROGRAM SW SELECTOR LEVER ASG SEQUENTIAL MANUAL GEARBOX (SMG) CONTROL MODULE (LEFT REAR OF ENGINE COMPT) SHIFT LOCK SELECTOR LEVER LOCK (UNDER CENTER CONSOLE) VOLUTE SPRING ST WHL CTRLS SELECT LEVER SELECT LEVER SELECT LEVER ENG SPD SIG STEERING WHEEL SWITCHES VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/GRY WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK WIRE BLU WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/VIO WIRE BRN/WHT WIRE CENTRAL LOCKING DRIVE, GLOVE BOX (CONVERTIBLE ONLY) (IN GLOVE BOX) CENTRAL LOCKING DRIVE, TRUNK LID/TAILGATE (REAR LUGGAGE COMPT) COMPUTER DATA LINES SYSTEM COUPE GRY/BRN WIRE GRY/GRN WIRE GRY/RED WIRE HAZARD WARNING/ CENTRAL LOCKING SWITCH LIFT GATE LOCK SWITCH (RIGHT SIDE LUGGAGE COMPT LID) NCA WIRE RED WIRE SWITCH GLOVE BOX CENTRAL LOCKING (IN GLOVE BOX) TRUNK LID RELEASE SOLENOID SWITCH WHT WIRE WHT/BRN WIRE WHT/RED/YEL WIRE YEL WIRE YEL/RED WIRE