67 66 012 Removing and installing/replacing drive unit for lumbar support on left or right front seat (comfort seat)

WARNING: This page is about a different car, the 2011 BMW X6 and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove BOTH REAR PANELS ON FRONT SEAT .

Unhook backrest cover (1) from backrest.

Disconnect plug connection (2).

Release cable tie (3).

Installation:

Replace cable ties (3).

Make sure cable ties (3) are correctly seated

Fig 1: Identifying Backrest Cover, Plug Connection And Cable Ties

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect quick-connect couplings (1 and 2).

Installation:

Seals in quick-connect couplings (1 and 2) must not be damaged.

Make sure quick-connect couplings (1 and 2) are correctly seated

Fig 2: Identifying Quick-Connect Couplings

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Drive unit for lumbar support (1) is shown in semi-removed state.

IMPORTANT: Risk of damage!
Lines on drive unit for lumbar support (1) must not be kinked.

Fig 3: Identifying Lumbar Support

Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, press backrest (3) inwards and feed drive mechanism for lumbar support (1) upwards out of backrest frame (2).