67 66 010 Removing And Installing/Replacing Lumbar Support Drive Mechanism On Front Seat, Left Or Right

WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. 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 .

Cut through cable tie (1).

Pull drive unit for lumbar support (2) with jacket slightly out of backrest frame (3).

Fig 1: Pulling Drive Unit For Lumbar Support

Courtesy of BMW OF NORTH AMERICA, INC.

Cut through cable tie (1) on jacket of drive unit for lumbar support (2).

Fig 2: Identifying Cable Tie And Drive Unit For Lumbar Support

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

Detach hose (2).

NOTE:

If firmly seated, gently heat hose (2) on drive unit for lumbar support (3).

Installation:

Make sure hose (2) is laid without kinks.

Remove drive unit for lumbar support (3).

Replacement:

Fig 3: Removing Drive Unit For Lumbar Support

Courtesy of BMW OF NORTH AMERICA, INC.

Pull drive unit for lumbar support (3) in direction of arrow out of jacket (4).