BMW 3 series G20/G21 (2018-2023) blu/yel Wiring diagrams

AIR DISTRIBUTION FLAP MOTOR BASIC BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/VIO WIRE BLU/YEL WIRE BOTTOM RADIATOR BLIND DRIVE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/RED WIRE DEFROSTER FLAP MOTOR FRESH AIR/ RECIRCULATED AIR FLAP MOTOR FRONT CENTER VENTILATION GRILLE GRN WIRE GRN/RED WIRE GRY WIRE HEATING, AIR CONDITIONING SYSTEM OPERATING UNIT LEFT AIR DISTRIBUTION FLAP MOTOR LEFT FRONT MIXING FLAP DRIVE LEFT FRONT STRATIFICATION FLAP MOTOR MIXED AIR FLAP MOTOR REAR AIR VENT GRILLE REAR COMPARTMENT FLAP MOTOR REAR MIXED AIR FLAP MOTOR REAR SEAT VENTILATION TEMPERATURE SENSOR RED WIRE RED/BLU WIRE RIGHT AIR DISTRIBUTION FLAP MOTOR RIGHT FRONT MIXING FLAP DRIVE RIGHT FRONT STRATIFICATION FLAP MOTOR WHT WIRE YEL WIRE YEL/BRN WIRE YEL/RED WIRE

AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BLK WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BODY DOMAIN CONTROLLER (RIGHT KICK PANEL) BRN WIRE BRN/BLK WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROLS, STARTING/CHARGING SYSTEMS EXTERIOR LIGHTS, HORNS SYSTEMS GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/GRY WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/RED WIRE GRY/VIO WIRE GRY/YEL WIRE HEADLIGHTS, INTERIOR LIGHTS SYSTEMS HORNS SYSTEM INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS MIRRORS SYSTEM NAVIGATION SYSTEM NCA WIRE ORG/ WIRE PNK/BLU WIRE POWER WINDOWS SYSTEM POWER WINDOWS, DOOR LOCKS, ANTI-THEFT SYSTEMS RED WIRE RED/BRN WIRE RED/GRN WIRE RED/YEL WIRE SOUND SYSTEMS SYSTEM TRANSMISSIONS SYSTEM VIO WIRE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/WHT WIRE

BLK WIRE BLU WIRE BLU/GRN WIRE BLU/YEL WIRE BODY DOMAIN CONTROLLER BODY DOMAIN CONTROLLER (RIGHT KICK PANEL) BRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM FUSE 2 FUSE 29 FUSE 39 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES HOT W/ BI-STABLE RELAY ENERGIZED LEFT FRONT RIDE HEIGHT SENSOR LEFT FRONT VALVE COIL LEFT FRONT VERTICAL-ACCELERATION SENSOR LEFT REAR RIDE HEIGHT SENSOR LEFT REAR VALVE COIL ORG/ WIRE ORG/GRN WIRE PNK/BLK WIRE PNK/BLU WIRE REBOUND STAGE REBOUND STAGE RIGHT REAR VALVE COIL RED WIRE RED/GRN WIRE RIGHT FRONT POWER DISTRIBUTION BOX RIGHT FRONT VALVE COIL RIGHT FRONT VERTICAL-ACCELERATION SENSOR VERTICAL DYNAMICS PLATFORM (LEFT KICK PANEL) VIO WIRE VIO/BLU WIRE W/ VERTICAL DYNAMICS PLATFORM W/O VERTICAL DYNAMICS PLATFORM WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRY WIRE YEL WIRE

BEHIND RIGHT FRONT CORNER OF FRONT BUMPER) BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/GRY WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER CONSOLE CONTROL CENTER COMPUTER DATA LINES SYSTEM FUSE 255 FUSE 32 GRN/BLK WIRE GRN/GRY WIRE HOT AT ALL TIMES HOT W/ LEFT FRONT CENTER ULTRASONIC SENSOR LEFT FRONT OUTER ULTRASONIC SENSOR LEFT FRONT SIDE PARKING MANEUVERING ASSISTANT ULTRASONIC SENSOR LEFT REAR CENTER ULTRASONIC SENSOR LEFT REAR OUTER ULTRASONIC SENSOR LEFT REAR ULTRASONIC SENSOR PARKING ASSISTANCE BUTTON PARKING MANEUVERING ASSISTANT REAR POWER DISTRIBUTION BOX RED/GRY WIRE RED/VIO WIRE RELAY ENERGIZED RIGHT FRONT CENTER ULTRASONIC SENSOR RIGHT FRONT OUTER ULTRASONIC SENSOR RIGHT FRONT POWER DISTRIBUTION BOX RIGHT FRONT SIDE PARKING MANEUVERING ASSISTANT ULTRASONIC SENSOR RIGHT REAR CENTER ULTRASONIC SENSOR RIGHT REAR OUTER ULTRASONIC SENSOR RIGHT REAR ULTRASONIC SENSOR WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRY WIRE

ALTERNATOR AUXILIARY BATTERY (RIGHT SIDE OF ENGINE COMPT) BATTERY BATTERY ELECTRONICS BLK WIRE BLU/YEL WIRE BRN (OR BLK) WIRE BRN WIRE CAPACITOR BOX COMPUTER DATA LINES SYSTEM CRASH SAFETY MODULE DIGITAL MOTOR ELECTRONICS DME MAIN RELAY DYNAMIC STABILITY CONTROL (DSC) ELECTRIC FAN CUT-OFF RELAY ELECTROMECHANICAL POWER STEERING ENGINE COMPARTMENT POWER DISTRIBUTION BOX FROM REAR POWER DISTRIBUTION BOX (DIAGRAM 5 OF 8) FROM RIGHT FRONT POWER DISTRIBUTION BOX (DIAGRAM 3 OF 8) FROM SAFETY BATTERY TERMINAL GAS GENERATOR (DIAGRAM 1 OF 8) FRONT ELECTRIC AUXILIARY HEATER FUSE 400 FUSE 401 FUSE 402 FUSE 404 FUSE 406 GRY WIRE IGNITION, FUEL INJECTION RELAY INTEGRATED SUPPLY MODULE (LEFT SIDE OF ENGINE COMPT) INTELLIGENT BATTERY SENSOR JUMP START TERMINAL NCA WIRE ON BATTERY) POWER SUPPLY SENSORS/ ACTUATORS RELAY RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE SAFETY BATTERY TERMINAL GAS GENERATOR STARTER MOTOR TO AUXILIARY BATTERY (DIAGRAM 1 OF 8) TO FUSE BOX (DIAGRAM 2 OF 8) TRANSFER TERMINAL POINT VALVETRONIC RELAY VIO WIRE YEL 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

AIR BAG OFF INDICATOR LAMP AIR BAG ON INDICATOR LAMP BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/BLU WIRE CENTER PEDESTRIAN PROTECTION SENSOR COMPUTER DATA LINES SYSTEM CRASH SAFETY MODULE EARLY PRODUCTION ELECTRIC FUEL PUMP CONTROL ELECTRONICS FUSE 36 FUSE 75 GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT W/ LATE PRODUCTION LEFT "B" PILLAR AIR BAG SENSOR LEFT FRONT AIR BAG SENSOR LEFT FRONT DOOR AIR BAG SENSOR LEFT HEAD AIR BAG GAS GENERATOR LEFT PEDESTRIAN PROTECTION SENSOR ORG/ WIRE ORG/GRN WIRE PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/GRN WIRE RELAY ENERGIZED RIGHT "B" PILLAR AIR BAG SENSOR RIGHT FRONT AIR BAG SENSOR RIGHT FRONT DOOR AIR BAG SENSOR RIGHT FRONT POWER DISTRIBUTION BOX RIGHT HEAD AIR BAG GAS GENERATOR RIGHT PEDESTRIAN PROTECTION SENSOR RIGHT REAR SIDE AIR BAG GAS GENERATOR ROOF FUNCTION CENTER TELEMATIC COMMUNICATION BOX VIO/BLU WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/GRY WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE

BLK WIRE BLK/GRN WIRE BLK/GRY WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE DRIVER SEAT POSITION SENSOR DYNAMIC STABILITY CONTROL (DSC) FRONT PASSENGER AIR BAG GAS GENERATORS FRONT PASSENGER BELT FORCE LIMITER GAS GENERATOR FRONT PASSENGER RETRACTOR TENSIONER FRONT PASSENGER SEAT POSITION SENSOR GRN WIRE GRN/BLU WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE LEFT REAR RETRACTOR TENSIONER LEFT REAR SEAT OCCUPANCY DETECTION ORG/ WIRE ORG/YEL WIRE PNK/BLK WIRE REAR CENTER SEAT OCCUPANCY DETECTION RIGHT REAR RETRACTOR TENSIONER VIO WIRE VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE

BLK WIRE BLK/BRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CRASH SAFETY MODULE DRIVER BELT FORCE LIMITER GAS GENERATOR DRIVER KNEE AIR BAG GAS GENERATOR DRIVER RETRACTOR TENSIONER DRIVER SIDE AIR BAG GAS GENERATOR DRIVER'S AIR BAG GAS GENERATORS FRONT PASSENGER AIR BAG DEACTIVATION SWITCH FRONT PASSENGER KNEE AIR BAG GAS GENERATOR FRONT PASSENGER SIDE AIR BAG GAS GENERATOR GRN WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE LEFT FRONT PEDESTRIAN PROTECTION ACTUATOR LEFT REAR PEDESTRIAN PROTECTION ACTUATOR LEFT REAR SIDE AIR BAG GAS GENERATOR NCA WIRE ORG/ WIRE RIGHT FRONT PEDESTRIAN PROTECTION ACTUATOR RIGHT REAR PEDESTRIAN PROTECTION ACTUATOR SAFETY BATTERY TERMINAL GAS GENERATOR STARTER UNIT SAFETY BATTERY TERMINAL GAS GENERATOR STEERING COLUMN SWITCH CLUSTER VIO/GRN WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BRN WIRE YEL WIRE YEL/BLK WIRE YEL/BRN WIRE YEL/RED WIRE

ACTIVE BODYWORKS SYSTEM BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS CIRCUIT FUSE 240 FUSE 281 FUSE 284 FUSE 289 FUSE 296 FUSE 53 GRN WIRE GRY/BLK WIRE GRY/RED WIRE GRY/WHT WIRE HOT W/ TERMINAL PREPARATION TRAILER MODULE PLUG CONNECTION REAR POWER DISTRIBUTION BOX RED WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED RIGHT FRONT POWER DISTRIBUTION BOX TRAILER BRAKE SYSTEM PLUG CONNECTION TRAILER MODULE (RIGHT SIDE OF LUGGAGE COMPT) TRAILER SOCKET W/ PREPARATION TRAILER MODULE W/ TRAILER MODULE WHT WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLU WIRE YEL/RED WIRE