Car Wiring Diagrams for Power distribution circuit for BMW 3 series G20/G21 (2018-2023)

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

AIR CONDITIONING AUDIO CONTROL PANEL BI-STABLE RELAY BLOWER MOTOR W/ OUTPUT STAGE BODY DOMAIN CONTROLLER CONTACT FREE TAILGATE OPENING EVALUATION ELECTRONICS DIAGNOSTIC SOCKET DRIVER'S DOOR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS DRIVER'S SIDE REAR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS DYNAMIC STABILITY CONTROL (DSC) FROM FUSE 29 (DIAGRAM 3 OF 8) FROM SAFETY BATTERY TERMINAL GAS GENERATOR (DIAGRAM 1 OF 8) FRONT PASSENGER DOOR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS FUSE 1 FUSE 2 FUSE 20 FUSE 21 FUSE 22 FUSE 23 FUSE 24 FUSE 25 FUSE 26 FUSE 28 FUSE 3 FUSE 36 FUSE 39 FUSE 4 FUSE 40 FUSE 5 FUSE 501 FUSE 502 FUSE 504 FUSE 53 FUSE BOX GRN/BLU WIRE GRN/YEL WIRE HEAD UNIT HKFM LEFT REVERSIBLE ELECTROMOTIVE AUTOMATIC REEL LIGHT OPERATING UNIT LOCKING RELAY PASSENGER OUTSIDE DOOR HANDLE ELECTRONICS PASSENGER'S SIDE REAR POWER WINDOW DRIVE W/ CONTROL ELECTRONICS RAIN/LIGHT/ SOLAR CONDENSATION SENSOR REAR DRIVER'S SIDE OUTSIDE DOOR HANDLE ELECTRONICS REAR PASSENGER SIDE OUTSIDE DOOR HANDLE ELECTRONICS RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE ROOF FUNCTION CENTER STEERING COLUMN SWITCH CLUSTER TELEMATIC COMMUNICATION BOX TO BODY DOMAIN CONTROLLER (DIAGRAM 8 OF 8) TO REAR POWER DISTRIBUTION BOX (DIAGRAM 6 OF 8) TO RIGHT FRONT POWER DISTRIBUTION BOX (DIAGRAM 3 OF 8) TRAILER BRAKE SYSTEM PLUG CONNECTION UNLOCKING RELAY VERTICAL DYNAMICS PLATFORM

BLK/RED WIRE BLU/VIO WIRE BLU/WHT WIRE BRN WIRE CAR SHARING MODULE CD DRIVE CENTER CONSOLE CONTROL CENTER DRIVER CAMERA SYSTEM DRIVER OUTSIDE DOOR HANDLE ELECTRONICS DRIVER SEAT MODULE DRIVER'S SEAT HEATING ELECTRONICS ELECTROCHROMIC INTERIOR MIRROR ELECTRONIC TRANSMISSION CONTROL FROM ELECTRIC FAN CUT-OFF RELAY (DIAGRAM 5 OF 8) FROM FUSE BOX (DIAGRAM 2 OF 8) FRONT PASSENGER SEAT HEATING ELECTRONICS FRONT PASSENGER SEAT MODULE FUSE 29 FUSE 32 FUSE 34 FUSE 37 FUSE 38 FUSE 46 FUSE 48 FUSE 51 FUSE 52 FUSE 53 FUSE 54 FUSE 55 FUSE 56 FUSE 57 FUSE 59 FUSE 63 GRN/BLU WIRE INDEPENDENT AUXILIARY HEATER INSTRUMENT PANEL LIN POWER DISTRIBUTION BOX NCA WIRE PASSENGER SIDE SEAT ADJUSTMENT SWITCH BLOCK PREPARING THE NFC READER REAR POWER DISTRIBUTION BOX RED WIRE RED) RED/YEL WIRE RED/BLK WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE STEERING COLUMN SWITCH CLUSTER TO AUXILIARY BATTERY (DIAGRAM 1 OF 8) TO FUSE 28 (DIAGRAM 2 OF 8) TO FUSE 60 (DIAGRAM 4 OF 8) TRAILER BRAKE SYSTEM PLUG CONNECTION TRANSFER BOX VERTICAL DYNAMICS PLATFORM W/ SEAT MODULE W/O SEAT MODULE

ALL ROUND VISION CAMERA BLU WIRE CAMERA BASED DRIVER SUPPORT SYSTEMS DASHBOARD DASHBOARD LIGHTING DASHBOARD LIGHTING 2 DRIVER LUMBAR SUPPORT VALVE BLOCK DRIVER LUMBAR SUPPORT/ BACKREST WIDTH ADJUSTMENT VALVE BLOCK DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK DRIVER'S SEAT LUMBAR SUPPORT SWITCH FROM FUSE 55 (DIAGRAM 3 OF 8) FRONT CENTER ARMREST LIGHT FRONT INTERIOR LIGHT FRONT PASSENGER LUMBAR SUPPORT SWITCH FRONT PASSENGER LUMBAR SUPPORT VALVE BLOCK FRONT PASSENGER LUMBAR SUPPORT/ BACKREST WIDTH ADJUSTMENT VALVE BLOCK FRONT PASSENGER SEAT BACKREST WIDTH ADJUSTMENT SWITCH FRONT PASSENGER SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK FUSE 60 FUSE 61 FUSE 62 FUSE 64 FUSE 65 FUSE 66 FUSE 71 FUSE 73 FUSE 76 GLOVE BOX LIGHT SWITCH GRN WIRE INSTRUMENT PANEL LEFT FRONT FOOTWELL LIGHT LEFT FRONT VANITY MIRROR LIGHT LIGHT PASSENGER'S SIDE SEAT ADJUSTMENT SWITCH BLOCK REAR DRIVER'S SIDE DOOR POCKET LIGHTING REAR DRIVER'S SIDE FOOTWELL LIGHTING 3 REAR DRIVER'S SIDE INSIDE DOOR HANDLE LIGHT REAR INTERIOR LIGHT REAR PASSENGER'S SIDE FOOTWELL LIGHT REAR VIEW CAMERA RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT FRONT FOOTWELL LIGHT RIGHT FRONT VANITY MIRROR LIGHT TO FUSE 67 (DIAGRAM 5 OF 8) TOP REAR DRIVER'S SIDE DOOR TRIM PANEL LIGHTING W/O SURROUND VIEW CAMERA

BOOSTER BOTTOM RADIATOR BLIND DRIVE BRN WIRE CLUTCH MODULE CRASH SAFETY MODULE DRIVER'S DOOR INSIDE HANDLE LIGHT DRIVER'S DOOR POCKET LIGHTING DRIVER'S DOOR SEAT SWITCH CLUSTER DRIVER'S DOOR SWITCH BLOCK ELECTRIC FAN ELECTRIC FAN CUT-OFF RELAY ETHERNET SWITCH FROM FUSE 65 (DIAGRAM 4 OF 8) FRONT PASSENGER INSIDE DOOR HANDLE LIGHT FRONT PASSENGER VEHICLE EXTERIOR MIRROR FRONT PASSENGER'S DOOR POCKET LIGHTING FUSE 217 FUSE 225 FUSE 230 FUSE 244 FUSE 67 FUSE 68 FUSE 69 FUSE 70 FUSE 74 FUSE 75 GRN WIRE GRN/RED WIRE GRY/RED WIRE HKFM NATURAL VACUUM LEAK DETECTION RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE REMOTE CONTROL RECEIVER RIGHT REVERSIBLE ELECTROMOTIVE AUTOMATIC REEL SIREN W/ TILT ALARM SENSOR TO REAR POWER DISTRIBUTION BOX (DIAGRAM 3 OF 8) TO SAFETY BATTERY TERMINAL GAS GENERATOR (DIAGRAM 1 OF 8) TOP DRIVER'S DOOR TRIM PANEL LIGHTING TOP FRONT PASSENGER DOOR TRIM PANEL LIGHTING TOP RADIATOR BLIND DRIVE USB CHARGING SOCKET 2 USB CHARGING SOCKET 3

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

ACTIVE SOUND DESIGN BOOSTER CONTROLLER (IDRIVE) FUSE 212 FUSE 214 FUSE 215 FUSE 216 FUSE 218 FUSE 220 FUSE 250 FUSE 254 FUSE 255 FUSE 257 HEAD UNIT HIFI AMPLIFIER LEFT REVERSIBLE ELECTROMOTIVE AUTOMATIC REEL LUGGAGE COMPARTMENT LAMP PARKING MANEUVERING ASSISTANT REAR PASSENGER'S SIDE DOOR POCKET LIGHTING REAR PASSENGER'S SIDE INSIDE DOOR HANDLE LIGHT RECEIVER AUDIO MODULE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RIGHT REVERSIBLE ELECTROMOTIVE AUTOMATIC REEL TOP REAR PASSENGER DOOR TRIM PANEL LIGHTING TRUNK LID TAILGATE BUTTON USB- HUB W/ RECEIVER AUDIO MODULE W/O RECEIVER AUDIO MODULE WIRELESS CHARGING SHELF ANTENNA AMPLIFIER WIRELESS CHARGING STORAGE

AUTOMATIC REAR AIR CONDITIONING OPERATING FACILITY BODY DOMAIN CONTROLLER BRN WIRE BRN/WHT WIRE BRN/YEL WIRE CENTER CONSOLE CONTROL CENTER ELECTRIC FUEL PUMP CONTROL ELECTRONICS FROM RIGHT FRONT POWER DISTRIBUTION BOX (DIAGRAM 2 OF 8) FUSE 262 FUSE 264 FUSE 269 FUSE 271 FUSE 273 FUSE 281 FUSE 284 FUSE 291 FUSE 296 GRN WIRE GRY WIRE REAR DRIVER'S SIDE SEAT HEATING MODULE REAR PASSENGER'S SIDE SEAT HEATING MODULE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE REGULATED DIFFERENTIAL LOCK START-STOP BUTTON TAILGATE LOCK TRAILER MODULE TRAILER SOCKET WHT WIRE