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 does not describe the selected car, but rather 8 other vehicles, including the 2005 BMW 745i, 2005 BMW 745Li, 2004 BMW 745i, 2004 BMW 745Li, and 2003 BMW 745i. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Note AIRBAG safety instructions! Refer to AIR BAG SAFETY PRECAUTIONS .
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. Refer to 52 17 205 REMOVING AND INSTALLING/REPLACING BOTH REAR PANELS ON LEFT OR RIGHT FRONT SEAT BACKREST (COMFORT) .
Remove front head restraint. Refer to 52 17 390 REMOVING AND INSTALLING/REPLACING FRONT LEFT OR RIGHT HEAD RESTRAINT (COMFORT) .
Disconnect and cover battery negative lead. Refer to 12 00... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .

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

Fig 1: Detaching Backrest Cover

G03291323

Courtesy of BMW OF NORTH AMERICA, INC.

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

NOTE: For purposes of clarity, illustration shows backrest cover removed.

Unfasten plug connection (1) and disconnect.

Fig 2: Feeding Out AKS Carrier

G03291324

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw connections (2).

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

Cut through cable tie (1).

Fig 3: Removing Drive Unit For Head Restraint

G03291325

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Replacement:

Initialize drive unit for head restraint height adjustment. Refer to 67 31... NOTES ON INITIALIZING ELECTRIC SEAT SERVODRIVES .