67 66 510 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 7 other vehicles, including the 2003 BMW 540i, 2002 BMW 540i, 2001 BMW 540i, 2000 BMW 540i, and 1999 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.

Adjust front seat to maximum upper setting.

Version with plastic holder:

Detach hose on drive unit for lumbar support and disconnect plug connection.

NOTE: Grip hose connection on drive unit for lumbar support with pointed pliers (risk of damage to drive unit for lumbar support).

Fig 1: Removing Hose On Drive Unit For Lumbar Support

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Courtesy of BMW OF NORTH AMERICA, INC.

Release cable ties (1). Unlock catch (2). Turn drive unit for lumbar support (3) downwards and detach towards rear.

Fig 2: Releasing Cable Ties And Unlock Catch

G03154975

Courtesy of BMW OF NORTH AMERICA, INC.

Version with bag:

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) , 52 17 202 REMOVING AND INSTALLING/REPLACING BOTTOM REAR PANEL ON FRONT SEAT BACKREST (LUXURY SEAT) , or 52 17 202 REMOVING AND INSTALLING/REPLACING REAR PANEL ON FRONT SEAT BACKREST (OR LUXURY SEAT WITH REAR COMPARTMENT ORIENTED EQUIPMENT) .

Release cable ties (1) on drive unit for lumbar support (2) and pull forward a little.

Fig 3: Releasing Cable Ties On Drive Unit For Lumbar Support

G03154976

Courtesy of BMW OF NORTH AMERICA, INC.

Release cable ties (1).

Detach hose (2) and disconnect plug connection (3).

Pull out drive unit for lumbar support with hose and cable underneath seat.

Fig 4: Removing Hose And Disconnect Plug Connection

G03154977

Courtesy of BMW OF NORTH AMERICA, INC.