Lumbar circuit for BMW 3 series E90/E91/E92/E93 (2005-2010)

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 GRY WIRE GRY/BLK WIRE 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 SEATS SYSTEM (SPORT SEAT CIRCUIT) VIO WIRE