52 17 035 Removing and installing/replacing transmission for backrest upper section adjustment

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Necessary preliminary tasks:

Remove BOTH REAR PANELS FOR FRONT SEAT BACKREST

Detach seat fabric (1) in marked area.

Fig 1: Identifying Seat Fabric

G09879845

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip cover (1).

Pull shaft (2) from transmission for backrest upper section adjustment.

Release nut (3) and remove washer.

Installation note:

Make sure shaft (2) is correctly seated in associated fixture.

Fig 2: Pulling Backrest Upper Section Adjustment Shaft

G09880522

Courtesy of BMW OF NORTH AMERICA, INC.

Pull out clamp (1).

Remove the transmission for the backrest upper section adjustment (2).

Fig 3: Removing Backrest Upper Section Adjustment Transmission

G09880523

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement

Measure dimension A of the removed transmission for the backrest upper section adjustment (1).

Measure dimension A by turning the fixture (2) on the new transmission for backrest upper section adjustment (1).

Fig 4: Removing Backrest Upper Section Adjustment Transmission

G09880524

Courtesy of BMW OF NORTH AMERICA, INC.