52 25 048 Removing and Installing/Replacing Pump For Lumbar and Massage

52 25 048 Removing And Installing/Replacing Pump For Lumbar And Massage







Necessary preliminary work:
- Partially remove backrest for left or right rear seat Release backrest only and move forwards







Release screws (1).







Unfasten plug connection (1) and disconnect.
Pull off air hose (2).

NOTE: Gently heat the air hoses if too tightly seated on the valve block.

Open quick connectors and detach air hoses (3) and (4).
(2) Air hose (blue), outlet to valve block for massage
(3) Air hose (grey), outlet to valve block for lumbar
(4) Air hose (grey), access from valve block for massage