52 25 ... Additional Work (Comfort) With Defective Drive For Backrest Angle Adjustment

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Detach seat cover and padding (1) on inside (center armrest) of seat.

Release screws (2).

Installation:

Tightening torque, (8^±1 N.m.).

Pull gearing (3) outwards.

Backrest can now move freely.

Fig 1: Screws, Gearing And Padding On Inside (Center Armrest)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Before gearing can be reinstalled, both levers (1) and (2) must be synchronized.

Adjust inner lever (1) (to center armrest) so that gear wheel engages 1st tooth of lever.

Adjust outer lever (2) so that gear wheel engages 2nd tooth of lever.

Install gearing.

Fig 2: Inner And Outer Levers

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Checking:

Measurements a and b must match up.

Fig 3: Measurements A And B

Courtesy of BMW OF NORTH AMERICA, INC.