67 31 530 Removing and installing/replacing drive unit for backrest angle adjustment (model year 2009 through production date 07/2012)

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Necessary preliminary tasks:

Remove driver's or passenger seat. See REMOVING DRIVER'S SEAT or REMOVING FRONT PASSENGER SEAT .
Remove rear panel on front seat backrest. See REMOVING REAR PANEL (NORMAL/ELECTRIC SEAT) or REMOVING REAR PANEL (COMFORT SEAT) .
Remove COVERS ON FRONT SEAT .

If necessary, disengage backrest cover (1) on left and right in lower area and lay outwards slightly.

Release screw (4).

Detach metal retaining ring (2) on left and right from drive rod (3).

Installation:

Always replace metal retaining ring (2).

Make sure metal retaining ring (2) is correctly seated.

Fig 1: Identifying Drive Rod, Backrest Cover, Metal Retaining Ring And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Pull out drive rod (1) until drive unit for backrest angle adjustment (2) is free.

Installation:

Make sure drive rod (1) is correctly seated in drive unit for backrest angle adjustment (2).

Disconnect plug connection on drive unit for backrest angle adjustment (2).

Feed drive unit for backrest angle adjustment (2) out of backrest frame (3) and remove.

Fig 2: Pulling Out Drive Rod From Drive Unit

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

Carry out FUNCTION CHECK WITH ADAPTER CABLE .

Replacement:

INITIALIZE backrest adjustment motor.