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

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Necessary preliminary tasks:

Remove Rear Panel On Front Seat

Detach backrest cover (1) from backrest frame.

Fig 1: Identifying Backrest Cover

G04727100

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.

Disconnect spring (1).

Lever out clips with plastic wedge.

Feed out air cushion (2) between spring wire and backrest frame.

Fig 2: Identifying Spring And Seat Air Cushion

G04727147

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Insert air cushion without kinks.

Check air cushion for damage.

Unlock quick connector and detach air hoses (1 and 2) from valve housing (3).

If necessary, remove Valve Housing .

Installation:

Connections are coded against incorrect assembly.

Air hoses must not be kinked.

Fig 3: Identifying Air Hoses And Valve Housing

G04727148

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Carry out Operational Check .