Steering wheel control switch circuit for BMW 6 series E63/E64 facelift (2007-2010)

BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE DRIVER'S AIRBAG INFLATOR ASSEMBLIES (PART OF STEERING WHEEL) ELECTRONIC STEERING WHEEL MODULE (PART OF STEERING WHEEL) FRONT FUSE HOLDER (RIGHT SIDE OF DASH) GRN WIRE GRY WIRE HORN SWITCH HOT AT ALL TIMES LEFT FRONT STEPTRONIC PUSH-BUTTON LEFT MULTIFUNCTION STEERING WHEEL SWITCH BLOCK NCA WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT FRONT STEPTRONIC PUSH-BUTTON RIGHT MULTIFUNCTION STEERING WHEEL SWITCH BLOCK STEERING COLUMN SWITCH CLUSTER STEERING WHEEL HEATER VIO WIRE WHT WIRE YEL WIRE