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

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Necessary preliminary tasks:

Remove both rear panels on front seat , see 52 14 198 REMOVING AND INSTALLING OR REPLACING REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST .

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 Tie

G06214013

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

G06214014

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.

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

Fig 3: Identifying Lumbar Support, Backrest And Backrest Frame

G06214015

Courtesy of BMW OF NORTH AMERICA, INC.