67 66 010 Removing and installing/replacing lumbar support drive mechanism on front seat, left or right

WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2013 BMW 328xi, 2013 BMW 328i, 2012 BMW 328xi, 2012 BMW 328i, and 2011 BMW 328xi. 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

Disconnect plug connection (1).

Remove drive unit for lumbar support (2) with jacket from backrest frame and expose.

Installation:

Make sure drive unit for lumbar support (2) is in correct installation position.

Fig 1: Identifying Lumbar Support And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Detach hose (1) from drive unit (2).

NOTE: Gently heat hose (1) if stuck.

Installation:

Hose (1) on drive unit (2) must not be kinked.

Pull jacket (3) off drive unit (2).

Remove drive unit for lumbar support (2).

Fig 2: Identifying Hose, Drive Unit And Jacket

Courtesy of BMW OF NORTH AMERICA, INC.