Lumbar circuit for BMW 1 series F20/F21 (2011-2015)

BLK WIRE BLK/YEL WIRE BLU WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE DRIVER LUMBAR SUPPORT VALVE BLOCK (LEFT SIDE OF DRIVER SEAT BACK) DRIVER'S LUMBAR SUPPORT SWITCH DRIVER'S SEAT VACUUM PUMP (RIGHT SIDE OF DRIVER SEAT BACK) FUSE 20 GRY WIRE GRY/BLK WIRE HOT W/ JUNCTION BOX (UNDER RIGHT SIDE OF DASH) 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