BMW 3 series G20/G21 (2018-2023) optional equipment system Wiring diagrams

BLU WIRE BODY DOMAIN CONTROLLER BRN WIRE BRN/BLK WIRE COMPUTER DATA COMPUTER DATA LINES SYSTEM ETHERNET SWITCH GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRY/VIO WIRE LEFT FRONT SIDE NEAR RANGE RADAR SENSOR LEFT REAR NEAR RANGE RADAR SENSOR LINES SYSTEM OPTIONAL EQUIPMENT SYSTEM PNK/BLU WIRE RED WIRE VIO WIRE W/ ETHERNET SWITCH W/O ETHERNET SWITCH WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

BLU WIRE BRN/BLK WIRE DRIVER'S SEAT MODULE ELECTRICAL MACHINE ELECTRONICS ELECTROCHROMIC INTERIOR MIRROR FRONT PASSENGER SEAT MODULE FRONT RADAR SENSOR GRN WIRE GRN/BLU WIRE GRN/RED WIRE GRY WIRE OPTIONAL EQUIPMENT SYSTEM PARKING MANEUVERING ASSISTANT PNK/BLU WIRE RED WIRE RIGHT REAR NEAR RANGE RADAR SENSOR TRAILER MODULE TRAILER SOCKET VIO WIRE W/ OPTIONAL EQUIPMENT SYSTEM W/ TRAILER MODULE W/O OPTIONAL EQUIPMENT SYSTEM W/O TRAILER MODULE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

ALL ROUND VISION CAMERA AUTOMATIC AIR RECIRCULATION CONTROL SENSOR BLK WIRE BRAKE FLUID LEVEL SWITCH BRAKE LIGHT SWITCH BRN WIRE BRN/BLK WIRE CAMERA BASED DRIVER SUPPORT SYSTEMS CAN BUS TERMINAL RESISTOR 11 CENTER CONSOLE CONTROL PANEL CENTER STACK STORAGE COMPARTMENT LIGHTING SWITCH CLUTCH MODULE COOLANT LEVEL SENSOR DASHBOARD LIGHTING DASHBOARD LIGHTING 2 DASHBOARD LIGHTING 3 DIAGNOSTIC SOCKET DRIVER CAMERA SYSTEM DRIVER OUTSIDE DOOR HANDLE ELECTRONIC EARLY PRODUCTION ELECTROCHROMIC INTERIOR MIRROR ETHERNET SWITCH FRONT CENTER ARMREST LIGHT FRONT INTERIOR LIGHT FRONT PASSENGER'S DOOR GROUND LIGHT 3 FRONT RIGHT DOOR SILL LIGHT STRIP FRONT RIGHT VENTILATION GRILLE LATE PRODUCTION LEFT FRONT FOOTWELL LIGHT LEFT FRONT VANITY MIRROR SWITCH LEFT ILLUMINATED CARPET LEFT REAR DOOR SILL LIGHT STRIP NCA WIRE OPTIONAL EQUIPMENT SYSTEM PASSENGER'S SIDE REAR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS RAIN/LIGHT/ SOLAR CONDENSATION SENSOR REAR INTERIOR LIGHT REAR PASSENGER SIDE SILL COURTESY LIGHT REAR PASSENGER'S SIDE COURTESY LIGHT REAR PASSENGER'S SIDE DOOR POCKET LIGHTING REAR PASSENGER'S SIDE DOOR POCKET LIGHTING 2 REAR PASSENGER'S SIDE INSIDE DOOR HANDLE LIGHT REAR PASSENGER'S SIDE OUTSIDE DOOR HANDLE ELECTRONICS REMOTE CONTROL RECEIVER RIGHT FRONT FOOTWELL LIGHT RIGHT FRONT VANITY MIRROR SWITCH RIGHT ILLUMINATED CARPET ROOF FUNCTION CENTER TOP REAR PASSENGER DOOR TRIM PANEL LIGHTING W/O INTERIOR LIGHT PACKAGE

AUTOMATIC AIR RECIRCULATION CONTROL SENSOR BODY DOMAIN CONTROLLER BRN WIRE ELECTRIC FUEL PUMP CONTROL ELECTRONICS ELECTRICAL EXHAUST FLAP ELECTROMECHANICAL POWER STEERING FROM FUSE BOX (DIAGRAM 2 OF 8) FRONT RADAR SENSOR FUSE 203 FUSE 204 FUSE 206 FUSE 208 FUSE 209 FUSE 210 FUSE 240 FUSE 289 GRN WIRE GRN/BRN WIRE GRN/RED WIRE GRN/WHT WIRE LEFT FRONT SIDE NEAR RANGE RADAR SENSOR LEFT REAR NEAR RANGE RADAR SENSOR LIN POWER DISTRIBUTION BOX LONG-DISTANCE RANGE FRONT RADAR SENSOR OPTIONAL EQUIPMENT SYSTEM PREPARATION TRAILER MODULE PLUG CONNECTION REAR WINDOW HEATING RELAY RED WIRE RED/BRN WIRE RED/VIO WIRE REGULATED DIFFERENTIAL LOCK RIGHT FRONT SIDE NEAR RANGE RADAR SENSOR RIGHT REAR NEAR RANGE RADAR SENSOR TO FUSE 216 (DIAGRAM 7 OF 8) TO FUSE 217 (DIAGRAM 5 OF 8) TO FUSE 262 (DIAGRAM 8 OF 8) TRAILER MODULE W/ PREPARATION TRAILER MODULE W/ TRAILER MODULE YEL WIRE