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

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Necessary preliminary tasks:

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 Plug Connection And Lumbar Support

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: Disconnecting Hose From Drive Unit

Courtesy of BMW OF NORTH AMERICA, INC.