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

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Necessary preliminary tasks:

Remove rear panel on front seat backrest. See NORMAL SEAT or OPTIONAL SEAT .

Unfasten plug connection (1) and disconnect.

Release clips (2).

Feed out drive unit for lumbar support in upward direction.

Installation:

Replace faulty clips (2).

Fig 1: Disconnecting Lumbar Support Drive Unit And Plug Connection

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 2: Identifying Heat Hose

Courtesy of BMW OF NORTH AMERICA, INC.