Trailer tow circuit for BMW 5 series F10/F11 (2009-2013)

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 LIGHTS CIRCUIT FOOTWELL MODULE FULLY AUTOMATIC TRAILER TOW HITCH FUSE 145 FUSE 19 BOX (RIGHT SIDE OF DASH) GRN WIRE GRN/BLK WIRE GRY/BLK WIRE GRY/RED WIRE HOT W/ BI-STABLE RELAY ENERGIZED HOT W/ TERMINAL JUNCTION NOISE SUPPRESSOR FILTER (SEDAN: BOTTOM OF LEFT "C" PILLAR) ORG/GRN WIRE RED/BLK WIRE RED/VIO WIRE RED/YEL WIRE RH TURN SIG BRK LT TRAILER MODULE (UNDER SPARE TIRE) TRAILER SOCKET YEL/BLU WIRE YEL/RED WIRE