Trailer tow circuit for BMW 7 series F01/F02 facelift (2012-2015)

12 40 IND LP BRK LT BLK/WHT WIRE BLK/YEL WIRE BLU/BRN WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM EXTERIOR LAMPS CIRCUIT FOOTWELL MODULE FULLY AUTOMATIC TOWING HITCH FUSE 100 FUSE 145 FUSE 19 GRN WIRE GRN/BLK WIRE GRY/BLK WIRE GRY/RED WIRE HOT W/ HOT W/ BISTABLE RELAY ENERGIZED JUNCTION BOX (RIGHT SIDE OF DASH) NOISE SUPPRESSOR FILTER (LEFT "C" PILLAR) ORG/GRN WIRE REAR DISTRIBUTION BOX (RIGHT REAR OF LUGGAGE COMPT) RED/BLK WIRE RED/VIO WIRE RED/YEL WIRE RELAY ENERGIZED RH TURN SIG BRK LT TRAILER MODULE (RIGHT SIDE OF LUGGAGE COMPT) TRAILER SOCKET YEL/BLU WIRE YEL/RED WIRE