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 2011 BMW X6 and 2010 BMW X6. 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

Unhook cover (1) in areas (2).

Fig 1: Identifying Cover And Hook Areas

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Disconnect plug connection (1).

Release clips (2).

Feed out drive unit for lumbar support (3) in upward direction.

Installation:

If necessary, replace faulty clips (2).

Fig 2: Identifying Plug Connection, Lumbar Support And Clips

Courtesy of BMW OF NORTH AMERICA, INC.

Release cable tie (1) from jacket (2).

Feed out drive unit for lumbar support out of jacket (2).

Detach hose (3).

NOTE: Gently heat hose (3) if stuck.

Installation:

Make sure hose (3) is laid without kinks.

Fig 3: Identifying Cable Tie, Jacket And Heat Hose

Courtesy of BMW OF NORTH AMERICA, INC.