Removing the backrest width adjustment with valve

Preliminary work 

• Refer to REMOVING FRONT SEAT .
• Refer to REMOVING THE FRONT HEAD RESTRAINT .
• Refer to REMOVING THE GUIDE SLEEVE FOR THE FRONT HEAD RESTRAINT .
• Refer to REMOVING OUTER COVER ON FRONT SEAT .
• Refer to REMOVING INNER COVER FROM THE FRONT SEAT .
• Refer to REMOVING THE REAR PANEL FROM THE FRONT SEAT BACKREST .
• Refer to REMOVING THE BACKREST COVER WITH THE UPHOLSTERY FOR THE FRONT SEAT .

• Release the cable tie (arrows).
• Unlock and disconnect plug connections (1).
• Release the valve unit (2) from the spring wire.
• Feed out the pump (3).

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• Release the screws (1) on the left and right air cushion (2).

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  NOTE: Perform the steps on the left and right side.
• Detach the spring wire (1) from the backrest frame.
• Feed out the air cushion (2) towards the rear.

Courtesy of BMW OF NORTH AMERICA, INC.