Horn circuit for BMW Z4 E89 (2009-2013)

BLK WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE ELECTRONICS JUNCTION BOX FUSE 57 GRN/BLU WIRE HORN (LEFT FRONT CORNER OF ENGINE COMPT) HORN 2 (LEFT FRONT CORNER OF ENGINE COMPT) HORN RELAY HORN SWITCH HOT AT ALL TIMES JUNCTION BOX (RIGHT SIDE OF DASH) STEERING COLUMN SWITCH CLUSTER W/ STEERING WHEEL HEATING W/O STEERING WHEEL HEATING