52 25 059 Removing And Installing/Replacing Valve Housing For Lumbar Cushion
WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Remove rear seat. See 52 25 010 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT REAR SEAT .
Release screw (1).
Installation:
Install valve housing (2):
- Left seat - outer retaining point
- Right seat - inner retaining point
Disconnect plug connection (3).
Disconnect air hoses (4) and (5) from valve housing.
NOTE:
Heat air hoses gently if they are firmly seated on valve housing.
Housing of valve block must not be unclipped (leakage). If necessary, release mounting and clip housing together.
Housing of valve block must not be unclipped (leakage). If necessary, release mounting and clip housing together.
Installation:
Make sure air hoses (5) are correctly connected to valve block (color coding).
Air hoses must be laid without kinks.
Install valve housing (2).