BMW 2 series F22/F23 facelift (2017-2021) driver's seat backrest width adjustment valve block Wiring diagrams

BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/YEL WIRE DRIVER LUMBAR SUPPORT VALVE BLOCK DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK DRIVER'S SEAT LUMBAR SUPPORT SWITCH DRIVER'S SEAT PNEUMATIC PUMP DRIVER'S SIDE SEAT ADJUSTMENT SWITCH BLOCK FRONT PASSENGER LUMBAR SUPPORT SWITCH FRONT PASSENGER LUMBAR SUPPORT VALVE BLOCK FRONT PASSENGER SEAT PNEUMATIC PUMP FRONT PASSENGER SIDE SEAT ADJUSTMENT SWITCH BLOCK FRONT PASSENGER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK FRONT POWER DISTRIBUTION BOX FUSE 27 RED WIRE RELAY ENERGIZED W/ ELECTRIC SEAT ADJUSTMENT W/O ELECTRIC SEAT ADJUSTMENT YEL WIRE

3.0L TURBO M2 2.0L TURBO, 3.0L TURBO EXCEPT M2 ACTIVE CRUISE CONTROL AUC SENSOR BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAMERA-BASED DRIVER ASSISTANCE SYSTEMS CLUTCH MODULE DME MAIN RELAY DRIVER'S LUMBAR SUPPORT VALVE BLOCK DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK DRIVER'S SEAT HEATING ELECTRONICS DRIVER'S SEAT MODULE DYNAMIC STABILITY CONTROL (DSC) ELECTRIC FAN CUT OUT RELAY ELECTRO- CHROMIC INTERIOR REAR-VIEW MIRROR ELECTRO- MECHANICAL POWER STEERING FROM FUSE 68 (DIAGRAM 1 OF 4) FROM FUSE BOX (DIAGRAM 1 OF 4) FRONT ELECTRONIC MODULE (RIGHT KICK PANEL) FRONT PASSENGER LUMBAR SUPPORT VALVE BLOCK FRONT PASSENGER SEAT BACKREST WIDTH ADJUSTMENT SWITCH FRONT PASSENGER SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK FRONT PASSENGER SEAT HEATING ELECTRONICS FRONT POWER DISTRIBUTION BOX FUSE 21 FUSE 27 FUSE 28 FUSE 29 FUSE 32 FUSE 33 FUSE 40 FUSE 42 FUSE 44 FUSE 45 FUSE 48 FUSE 55 FUSE 56 FUSE 63 FUSE 64 FUSE 65 FUSE 67 GRN WIRE GRN/GRY WIRE GRY WIRE IGNITION, FUEL INJECTION RELAY INTEGRATED SUPPLY MODULE INTERCOOLER COOLANT PUMP LEFT FRONT VANITY MIRROR LIGHT LEFT HEADLIGHT POWER SUPPLY SENSORS/ACTUATORS RELAY RAIN/LIGHT/ SOLAR CONDENSATION SENSOR RED WIRE RIGHT FRONT VANITY MIRROR LIGHT ROOF FUNCTION CENTER START-STOP BUTTON STEERING COLUMN SWITCH CLUSTER TRANSFER BOX VALVETRONIC RELAY VIO WIRE W/ LED HEADLAMPS WHT WIRE WHT/VIO WIRE YEL WIRE

BLK WIRE BLK/BLU WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER LUMBAR SUPPORT VALVE BLOCK DRIVER SEAT MODULE DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT SWITCH DRIVER'S SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK DRIVER'S SEAT PNEUMATIC PUMP DRIVER'S SIDE SEAT ADJUSTMENT SWITCH BLOCK FRONT PASSENGER LUMBAR SUPPORT VALVE BLOCK FRONT PASSENGER SEAT BACKREST WIDTH ADJUSTMENT SWITCH FRONT PASSENGER SEAT BACKREST WIDTH ADJUSTMENT VALVE BLOCK FRONT PASSENGER SEAT MODULE FRONT PASSENGER SEAT PNEUMATIC PUMP FRONT PASSENGER SIDE SEAT ADJUSTMENT SWITCH BLOCK FRONT POWER DISTRIBUTION BOX FUSE 27 GRN WIRE ORG/GRN WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/YEL WIRE RELAY ENERGIZED YEL WIRE YEL/BLU WIRE YEL/WHT WIRE