Car Wiring Diagrams for Trailer tow circuit for BMW 4 series F32/F33 facelift (2017-2020)

ACTIVATION ACTIVE BODYWORKS SYSTEM BLK/GRN WIRE BLK/GRY WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS CIRCUIT FUSE 113 FUSE 114 FUSE 139 FUSE 140 GRN WIRE GROUND GRY/BLK WIRE GRY/RED WIRE GRY/WHT WIRE HALL SENS SIG HOT W/ HOT W/ BI-STABLE RELAY ENERGIZED K-CAN 2 BUS LED ACTIVATION LH TURN SIG LT PARKING LIGHT PARKING LT POWER SUPPLY REAR FUSE CARRIER RED/BLK WIRE RED/BLU WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED REVERSING LT RH TURN SIG LT SIG BRAKE LT SIG IND LAMP SW SIG SW SIGNAL TOWING HITCH TRAILER MODULE TRAILER SOCKET (12-PIN) TRAILER SOCKET (13-PIN) (UNDER CENTER OF REAR BUMPER) W/ TRAILER MODULE W/O TRAILER MODULE WHT WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE