67 31 600 Removing and installing/replacing forward/back seat adjustment drive unit (comfort seats in rear passenger compartment)

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 work

Remove complete upholstery for rear seat

Unclip flex shaft cover (1) towards top.

Fig 1: Uncliping Flex Shaft Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Pull long sleeve tube (1) with flex shaft out of gearbox.

Fig 2: Pulling Long Sleeve Tube With Flex Shaft From Gear Box

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (2).

Release screws (1).

Tightening torque 67 31 10AZ .

Remove forward/back seat adjustment drive unit.

Detach flex shafts from drive.

Fig 3: Identifying Plug Connection And Mounting Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Make sure flex shafts are correctly seated.

Make sure rubber decoupler is correctly seated on drive.

NOTE:

Carry out FUNCTION CHECK WITH ADAPTER CABLE .

Replacement only:

INITIALISE forward/back seat adjustment drive unit.