Lumbar circuit for BMW 3 series F30/F31 (2011-2015)

BLK WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE DRIVER'S LUMBAR SUPPORT SWITCH DRIVER'S LUMBAR SUPPORT VALVE BLOCK (LEFT SIDE OF DRIVER SEAT BACK) DRIVER'S SEAT VACUUM PUMP (RIGHT SIDE OF DRIVER SEAT BACK) FUSE 20 BOX (UNDER RIGHT SIDE OF DASH) GRY WIRE GRY/BLK WIRE JUNCTION PASSENGER'S LUMBAR SUPPORT SWITCH PASSENGER'S LUMBAR SUPPORT VALVE BLOCK (RIGHT SIDE OF PASSENGER SEAT BACK) PASSENGER'S SEAT VACUUM PUMP (LEFT SIDE OF PASSENGER SEAT BACK) RED WIRE RED/BLK WIRE RELAY ENERGIZED SPORT SEATS CIRCUIT VIO WIRE