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 16 other vehicles, including the 2006 BMW 330Ci, 2005 BMW 330xi, 2005 BMW 330i, 2005 BMW 330Ci, and 2004 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.

Remove rear panel on front seat backrest. See 52 13 198 REMOVING AND INSTALLING / REPLACING REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/MANUAL)

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

Fig 1: Detaching Backrest Cover From Backrest Frame

G03125603

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

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).

Fig 2: Disconnecting Plug Connection

G03125604

Courtesy of BMW OF NORTH AMERICA, INC.

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

Installation:

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

Fig 3: Identifying Clean Adhesive Area On Backrest Frame

G03125605

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

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

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.

Fig 4: Pulling Off Protective Film From Jacket

G03125606

Courtesy of BMW OF NORTH AMERICA, INC.