BMW 3 series G20/G21 (2018-2023) battery electronics Wiring diagrams

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

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