52 13 055 Removing and installing lumbar support on front seat

Necessary preliminary tasks:

Turn handwheel for lumbar support so as to produce the lowest possible lumbar vertebra support.

Disengage Bowden cable (1) from lumbar support.

Detach handwheel (2) from backrest.

Fig 1: Disengaging Bowden Cable From Lumbar Support And Detaching Handwheel From Backrest

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Disengage Bowden cable from handwheel.

Fig 2: Disengaging Bowden Cable From Handwheel

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If necessary, remove counter-support (2):

Release screws (1) and remove counter-support (2).

Tightening torque 52 13 04AZ .

Fig 3: Identifying Counter-Support Screws

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Disengage upper lumbar support (1) from wire spring frame.

Unclip lower lumbar support (2) from wire spring frame.

Feed lumbar support out of backrest.

Fig 4: Identifying Upper Lumbar Support And Lower Lumbar Support

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