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

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Necessary Preliminary Tasks:

Remove rear panel on front seat backrest. See 52 14 198 REMOVING AND INSTALLING/REPLACING REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/ELECTRIC)

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

Fig 1: Disconnecting Backrest Cover From Backrest Frame

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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).

Detach drive unit for lumbar support (5) with jacket in direction of arrow.

Fig 2: Disconnecting Drive Unit For Lumbar Support

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Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

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

Fig 3: Identifying 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.

Pull off protective film (3) from jacket (2).

Fig 4: Identifying Transparent Hose And Protective Film On Jacket

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Courtesy of BMW OF NORTH AMERICA, INC.

Stick drive unit for lumbar support to backrest frame.

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