Overview of lumbar support with valve housing
WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.
Installation:
Check lumbar cushion for damage.
Make sure lumbar support is correctly fitted on fourth spring wire from below.
Air hoses must not be kinked.
Make sure valve housing is correctly seated.
NOTE:
Carry out FUNCTION TEST .