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

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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 Seat Backrest Plug Connection And Screw

G06213994

Courtesy of BMW OF NORTH AMERICA, INC.

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: Identifying Shaft, Receptacle, Retaining Ring And Backrest Head Adjuster

G06213995

Courtesy of BMW OF NORTH AMERICA, INC.

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).

INITIALIZE drive unit for backrest head adjustment.

Fig 3: Turning Spindle

G04769170

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

Carry out FUNCTION CHECK WITH ADAPTER CABLE .