67 31 640 Removing and installing/replacing drive for backrest head adjustment (comfort seats in rear compartment)

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove LEFT OR RIGHT REAR SEAT

Detach backrest cover (1) from metal eyelets.

Unfasten plug connection (2) and disconnect.

Fig 1: Disconnecting Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Pull shaft (2) in direction of arrow out of drive.

Installation:

Ensure shaft (2) is correctly seated in drive locator.

Release retaining rings (1).

Remove drive for backrest head adjustment from backrest frame.

Fig 2: Pulling Shaft From Drive

Courtesy of BMW OF NORTH AMERICA, INC.

Release retaining rings (1).

Pull shaft (2) in direction of arrow out of drive.

Installation:

Ensure shaft (2) is correctly seated in drive locator.

Remove drive for backrest head adjustment from backrest frame.

Fig 3: Pulling Shaft From Drive

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

Carry out FUNCTION CHECK WITH ADAPTER CABLE

Replacement only:

INITIALIZE drive unit for backrest head adjustment.