67 66 012 Removing and installing/replacing drive unit for lumbar support on left or right front seat (comfort seat)

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Necessary preliminary tasks:

Remove BOTH REAR PANELS ON FRONT SEAT .

If necessary, unhook backrest cover (1) from backrest.

Cut through cable ties (2).

Unclip wiring harness at point (3) towards front.

Release screw (4) and feed out valve unit (5) towards top.

Fig 1: Feeding Out Valve Unit Toward Top

G03262624

Courtesy of BMW OF NORTH AMERICA, INC.

Cut through cable tie (1).

Push jacket of drive unit for lumbar support (2) in direction of arrow over drive unit for lumbar support (3).

Fig 2: Pushing Jacket Of Drive Unit For Lumbar Support In Direction Of Arrow

G03262625

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:

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

Fig 3: Removing Drive Unit For Lumbar Support

G03262626

Courtesy of BMW OF NORTH AMERICA, INC.