52 25 059 Removing and installing/replacing valve block for lumbar support
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2016 BMW 760Li, 2015 BMW 760Li, 2014 BMW 760Li, 2013 BMW 760Li, and 2012 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Partially remove LEFT OR RIGHT REAR SEAT BACKREST
Release rear seat backrest only and move forwards
Unfasten plug connection (1) and disconnect.
Remove valve block in direction of arrow.
Detach air hoses from valve block.
- (2) Outlet, upper lumbar cushion
- (3) Outlet, lower lumbar cushion
- (4) Supply line from massage pump
NOTE:
Gently heat the air hoses if too tightly seated on the valve housing.