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

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.

Necessary preliminary tasks:

Remove rear panel on front seat backrest, refer to 52 13 198 REMOVING AND INSTALLING / REPLACING REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/MANUAL) or 52 14 198 REMOVING AND INSTALLING/REPLACING REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/ELECTRIC)

E53 comfort seat:

Remove rear panel at bottom

Detach backrest cover (1) in direction of arrow from backrest frame (2).

Fig 1: Detaching Backrest Cover From Backrest Frame

G03119960

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1).

Fig 2: Removing Drive Unit

G03119961

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 in direction of arrow.

Installation:

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

Fig 3: Cleaning Adhesive Area On Backrest Frame

G03119962

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.

Fig 4: Pulling Off Protective Film From Jacket

G03119963

Courtesy of BMW OF NORTH AMERICA, INC.

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