BMW Z4 E89 facelift (2013-2017) Lumbar circuit

BLK WIRE BLK/YEL WIRE BLU/YEL WIRE BRN WIRE DRIVER'S LUMBAR SUPPORT SWITCH DRIVER'S LUMBAR SUPPORT VALVE BLOCK DRIVER'S SEAT VACUUM PUMP FUSE 20 GRY WIRE GRY/BLK WIRE JUNCTION BOX PASSENGER'S LUMBAR SUPPORT SWITCH PASSENGER'S LUMBAR SUPPORT VALVE BLOCK PASSENGER'S SEAT VACUUM PUMP RED WIRE RED/BLK WIRE RELAY ENERGIZED SPORT SEAT CIRCUIT VIO WIRE