67 31 572 Removing And Installing/Replacing Drive Unit For Head Restraint Height Adjustment On Left Or Right Front Seat (Comfort Seat)

WARNING: This page is about a different car, the 2007 BMW 550i and 2006 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

NOTE AIRBAG SAFETY INSTRUCTIONS!

Incorrect handling may result in triggering of active head restraint and thereby cause injury.

Necessary preliminary tasks:

Remove BOTH REAR PANELS ON FRONT SEAT BACKREST .
Remove FRONT HEAD RESTRAINT .
Disconnect and cover battery negative lead.

Pull backrest cover (1) in direction of arrow over metal lugs (2) and detach.

If necessary, detach backrest cover (1) on both sides from backrest frame.

Fig 1: Detaching Backrest Cover

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

For purposes of clarity, illustration shows backrest cover removed.

Unfasten plug connection (1) and disconnect.

Release screw connections (2).

Feed out AKS carrier (3) in direction of arrow and secure against falling out.

Fig 2: Removing AKS Carrier

Courtesy of BMW OF NORTH AMERICA, INC.

Cut through cable tie (1).

Disconnect plug connection (2).

Release screws (3).

Feed drive unit for head restraint height adjustment (4) in direction of arrow out of AKS carrier (5) and remove.

Fig 3: Removing Drive Unit For Head Restraint Height Adjustment

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

INITIALIZE drive unit for head restraint height adjustment.