67 66 013 Removing and installing / replacing drive unit for lumbar support on left or right front seat (sports seat)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 BMW M3, 2005 BMW M3, 2004 BMW M3, 2003 BMW M3, and 2002 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Remove rear panel on front seat backrest. Refer to 52 15 198 ... REMOVING AND INSTALLING/REPLACING REAR PANEL ON FRONT LEFT OR RIGHT SEAT BACKREST (SPORTS/MANUAL) .

Detach backrest cover (1) from backrest frame (2).

Fig 1: Detaching Backrest Cover From Backrest Frame

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Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

Fig 2: Detaching Drive Unit For Lumbar Support

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Courtesy of BMW OF NORTH AMERICA, INC.

Detach transparent hose (2) from valve housing (3).

NOTE: If necessary, gently heat transparent hose (2) if firmly seated.

If necessary, detach fabric adhesive tape (4).

Detach drive unit for lumbar support (5) with jacket towards rear.

Installation:

Clean adhesive area (1) on backrest frame (2).

Fig 3: Cleaning Adhesive Area On Backrest Frame

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Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Transparent hose (1) of drive unit for lumbar support must not be kinked.

Fig 4: Pulling Off Protective Film From Jacket

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Courtesy of BMW OF NORTH AMERICA, INC.

Pull off protective film (3) from jacket (2). Stick drive unit for lumbar support to backrest frame.

If necessary, secure jacket (2) with cable strap.