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

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary work

Remove rear panel See 52 14 198 REMOVING AND INSTALLING OR REPLACING REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST or 52 17 205 REMOVING AND INSTALLING/REPLACING BOTH REAR PANELS ON LEFT OR RIGHT FRONT SEAT BACKREST on front seat backrest

Remove valve body in direction of arrow from backrest frame.

Installation note:

Check that valve body is correctly seated.

Fig 1: Removing Valve Housing From Backrest Frame

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug connection (3) and disconnect.

Unlock quick connectors and detach air hoses (1) and (2).

Valve unit for lumbar support:

Hose (clear), lumbar support drive
Hose (blue/red), lumbar support

Installation note:

Connections are coded against incorrect assembly.

Fig 2: Identifying Air Hoses And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Carry out a FUNCTIONAL CHECK .