BMW 3 series G20/G21 (2018-2023) computer data lines system Wiring diagrams

BODY DOMAIN CONTROLLER (RIGHT KICK PANEL) BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER CONSOLE CONTROL CENTER COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE DOOR HANDLE ELECTRONICS FUSE 37 FUSE 4 FUSE 504 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES FUSE BOX HOT W/ LUGGAGE COMPARTMENT ANTENNA RED WIRE RED/GRN WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX RING ANTENNA START-STOP BUTTON WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE

BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM FRONT CENTER CONSOLE INTERIOR ANTENNA FUSE 244 GRN WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE HOT AT ALL TIMES LEFT "C" PILLAR) LEFT EXTERIOR ANTENNA PASSENGER OUTSIDE DOOR HANDLE ELECTRONICS REAR CENTER CONSOLE INTERIOR ANTENNA REAR DRIVER SIDE OUTSIDE DOOR HANDLE ELECTRONICS REAR PASSENGER SIDE OUTSIDE DOOR HANDLE ELECTRONICS REAR POWER DISTRIBUTION BOX RED WIRE RED/WHT WIRE REMOTE CONTROL RECEIVER RIGHT EXTERIOR ANTENNA WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE

BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BODY DOMAIN CONTROLLER (RIGHT KICK PANEL) BRN WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER'S DOOR CENTRAL LOCKING BUTTON DRIVER'S DOOR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS DRIVER'S DOOR SWITCH BLOCK FUSE 244 FUSE 504 FUSE 67 FUSE BOX GRN WIRE GRY WIRE GRY/GRN WIRE HOOD CONTACT SWITCH HOT AT ALL TIMES HOT W/ TERMINAL ORG/ WIRE REAR POWER DISTRIBUTION BOX RED WIRE RED/GRN WIRE REFUELING BUTTON REMOTE CONTROL RECEIVER RIGHT FRONT POWER DISTRIBUTION BOX VEHICLE INTERIOR TAILGATE BUTTON VIO WIRE VIO/GRN WIRE VIO/YEL WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/WHT WIRE

ANTI-THEFT ALARM SYSTEM LED BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/GRY WIRE BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DRIVER'S DOOR LOCK ELECTROCHROMIC INTERIOR REAR VIEW MIRROR FRONT PASSENGER DOOR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS FRONT PASSENGER'S DOOR CENTRAL LOCKING BUTTON FRONT PASSENGER'S DOOR POWER WINDOW SWITCH FUEL FILLER FLAP CENTRAL LOCKING DRIVE GRY WIRE GRY/BLK WIRE HOTEL POSITION SWITCH ORG/ WIRE RED WIRE ROOF FUNCTION CENTER SIREN W/ TILT ALARM SENSOR VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE YEL WIRE YEL/BRN WIRE YEL/WHT WIRE

ALTERNATOR AUXILIARY BATTERY BATTERY BATTERY ELECTRONICS BLK WIRE BLU/YEL WIRE BRN WIRE CAPACITOR BOX COMPUTER DATA LINES SYSTEM CRASH SAFETY MODULE DIGITAL MOTOR ELECTRONICS ENGINE COMPARTMENT POWER DISTRIBUTION BOX FUSE 244 FUSE 63 GRY WIRE HOT AT ALL TIMES HOT W/ INTELLIGENT BATTERY SENSOR JUMP START TERMINAL NCA WIRE ON BATTERY) REAR POWER DISTRIBUTION BOX RED WIRE RED/BRN WIRE RED/GRN WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX SAFETY BATTERY TERMINAL GAS GENERATOR STARTER MOTOR TRANSFER TERMINAL POINT VIO WIRE YEL WIRE

AIR CONDITIONING BLK WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER SEAT MODULE DRIVER THIGH SUPPORT HEATING DRIVER'S SEAT BACKREST HEATING DRIVER'S SEAT SURFACE HEATING FRONT PASSENGER SEAT MODULE FRONT PASSENGER SEAT OCCUPANCY DETECTION EVALUATION ELECTRONICS FRONT PASSENGER SEAT OCCUPANCY DETECTION SEAT CUSHION HEATER/SENSOR FRONT PASSENGER THIGH SUPPORT HEATING FRONT PASSENGER'S SEAT BACKREST HEATING FUSE 55 FUSE 56 GRN WIRE GRN/VIO WIRE GRY WIRE NCA WIRE RED WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX VIO WIRE W/ EXTENDABLE THIGH SUPPORT W/O EXTENDABLE THIGH SUPPORT WHT WIRE YEL WIRE

BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 25 GRN WIRE GRY/BLK WIRE HOT AT ALL TIMES RED WIRE RED/BLU WIRE RIGHT FRONT POWER DISTRIBUTION BOX ROOF FUNCTION CENTER SLIDE/TILT SUNROOF DRIVE (FRONT OF SUNROOF) SLIDING/ TILTING SUNROOF SWITCH SUNROOF SHADE DRIVE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/WHT WIRE

BODY DOMAIN CONTROLLER (RIGHT KICK PANEL) BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER'S DOOR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS DRIVER'S DOOR SWITCH BLOCK DRIVER'S SIDE REAR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS DRIVER'S SIDE REAR POWER WINDOW SWITCH FRONT PASSENGER DOOR CENTER LOCKING BUTTON FRONT PASSENGER DOOR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS FRONT PASSENGER DOOR POWER WINDOW SWITCH FUSE 20 FUSE 21 FUSE 22 FUSE 23 FUSE 39 FUSE 67 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ LEFT "C" PILLAR) PASSENGER'S SIDE REAR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS PASSENGER'S SIDE REAR POWER WINDOW SWITCH RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE

BRN/BLK WIRE COMPUTER DATA LINES SYSTEM FUSE 244 GRN WIRE HOT AT ALL TIMES LEFT FRONT WHEEL ELECTRONICS SYSTEM LEFT REAR WHEEL ELECTRONICS SYSTEM REAR POWER DISTRIBUTION BOX RED WIRE REMOTE CONTROL RECEIVER (CENTER OF REAR SHELF) RIGHT FRONT WHEEL ELECTRONICS SYSTEM RIGHT REAR WHEEL ELECTRONICS SYSTEM YEL WIRE

BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BODY DOMAIN CONTROLLER BRN WIRE BRN/BLK WIRE COMPUTER DATA LINES SYSTEM FUSE 3 GRY WIRE HOT W/ TERMINAL BI-STABLE RELAY ENERGIZED RAIN/LIGHT/ SOLAR CONDENSATION SENSOR RED/BLK WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE VIO WIRE WASHER FLUID LEVEL SENSOR WINDSHIELD WASHER PUMP WIPER DRIVE