Car Wiring Diagrams for Sport seats circuit, w/ lumbar for BMW 3 series G20/G21 (2018-2023)
Sport seats circuit, w/ lumbar
BRN WIRE
DRIVER LUMBAR SUPPORT/ BACKREST WIDTH ADJUSTMENT VALVE BLOCK
DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH
DRIVER'S SEAT PNEUMATIC PUMP
DRIVER'S SIDE SEAT ADJUSTMENT SWITCH BLOCK
FRONT PASSENGER LUMBAR SUPPORT/ BACKREST WIDTH ADJUSTMENT VALVE BLOCK
FRONT PASSENGER SEAT BACKREST WIDTH ADJUSTMENT SWITCH
FRONT PASSENGER SEAT PNEUMATIC PUMP
FUSE 64
FUSE 65
PASSENGER SIDE SEAT ADJUSTMENT SWITCH BLOCK
RED WIRE
RELAY ENERGIZED
RIGHT FRONT POWER DISTRIBUTION BOX
W/ ELECTRICAL SEAT ADJUSTMENT
W/ MEMORY
W/O ELECTRICAL SEAT ADJUSTMENT
W/O MEMORY
WHT/RED WIRE
YEL/BLU WIRE
YEL/WHT WIRE
