52 13 055 Remove and install/replace lumbar support on front seat

Necessary preliminary tasks:

Turn the lumbar support hand wheel so that the least possible lumbar support results.
Partially remove BACKREST COVER

Lever out cover (1) with plastic wedge

Fig 1: Removing Cover Using Plastic Wedge

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Release screws (1).

Remove insert (2) for handwheel.

Fig 2: Identifying Handwheel Insert And Screws

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Disengage the spring wire from backrest frame.

Remove the lumbar support (1) with spring wire.

Installation note:

Run a function check.

Fig 3: Identifying Spring Wire Attachment Points And Lumbar Support

Courtesy of BMW OF NORTH AMERICA, INC.