67 31 540 Removing and installing/replacing drive for backrest head adjustment

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. 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 BACKREST .

Disconnect plug connection (1).

Release screw (2).

Tightening torque 67 31 4AZ .

Fig 1: Identifying Plug Connection And Mounting Screws

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Pull shaft (1) in direction of arrow out of shaft receptacle (2).

Installation:

Make sure shaft (1) is correctly seated in receptacle (2).

Release retaining ring (3).

Feed out drive unit for backrest head adjustment (4) and remove.

Fig 2: Pulling Shaft From Receptacle

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Removal and installation only

Do not turn spindle (1) in order not to change measurement A.

Replacement

Adopt measurement A of removed drive unit for backrest head adjustment (2). If necessary, adjust measurement A by turning spindle (1).

INITIALISE drive unit for backrest head adjustment.

Fig 3: Adjusting Back Rest Head Measurement

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NOTE:

Carry out FUNCTION CHECK WITH ADAPTER CABLE .