52 16 055 Replacing an air cushion for left or right backrest width adjustment

WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove rear panel on front seat
Partially remove backrest cover

Unclip carrier for backrest width adjustment from backrest frame.

Installation:

Make sure the carrier for backrest width adjustment is fitted correctly on the backrest frame.

Install air hoses without kinks.

Fig 1: Identifying Backrest Width Adjustment

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect air hoses.

Installation:

Adapt length of air hose from new part.

Connect air hoses to brass coupling.

If tight, (carefully) heat up the air hoses slightly.

Fig 2: Identifying Air Hoses

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Carry out function check .