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 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 panel on front seat backrest. See 52 14 198 REMOVING AND INSTALLING / REPLACING REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL / ELECTRIC) .

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.