52 14 060 Removing and installing/replacing valve housing for left or right front lumbar support (normal/electric)

WARNING: This page is about a different car, the 2010 BMW 535xi, 2009 BMW 535xi, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove REAR PANEL on front seat backrest.

Release retaining screw (1).

Disconnect electrical plug connection.

Fig 1: Identifying Retaining Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect air hoses (1) and (2).

Installation:

Make sure air hoses (2) are correctly connected to valve block (color coding: red/blue).

Housing on valve block must not be unclipped (leakage). If necessary, clip housing together.

Fig 2: Identifying Air Hoses

Courtesy of BMW OF NORTH AMERICA, INC.