52 15 061 Replacing both air cushions for backrest width adjustment on left or right front seat

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Necessary preliminary tasks

Partially remove BACKREST COVER

NOTE: Do not pop valve housing (1) out of backrest frame for this operation.

Carefully pull valve housing (1) forwards out of backrest frame.

Unlock quick connectors and detach air hoses from valve housing (1).

NOTE: Connections are coded against incorrect assembly.

Fig 1: Removing Valve Housing Out Of Backrest Frame

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Removal of the cushion on the left side is depicted; proceed in the same way for the right side.

Air cushion must be completely drained.

Unclip carrier for backrest width adjustment from backrest frame.

Feed carrier with air hose out of backrest frame.

Installation:

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

Install air hoses without kinks.

Check air cushion for damage.

Fig 2: Removing Carrier With Air Hose Out Of Backrest Frame

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Carry out function check