Trailer tow circuit for BMW 2 series F22/F23 facelift (2017-2021)

BLK/GRY WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/RED WIRE BLU/YEL WIRE BRAKE LIGHT SIG BRN WIRE BRN/VIO WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS CIRCUIT FLASHING IND LP FUSE 113 FUSE 114 FUSE 139 GROUND GRY/BLK WIRE GRY/RED WIRE HOT W/ BI-STABLE RELAY ENERGIZED HOT W/ TERMINAL LT TURN SIG LTS PARK LTS SIDE LTS SIG REAR FOG LIGHT REAR FUSE CARRIER RED/BLK WIRE RED/VIO WIRE RED/YEL WIRE REVERSING LIGHT RT TURN SIG LTS TRAILER MODULE TRAILER SOCKET (12-PIN) W/ TRAILER MODULE W/O TRAILER MODULE YEL/BLU WIRE YEL/BRN WIRE YEL/RED WIRE