52 15 055 Removing and Installing or Replacing Lumbar Cushion on Front Seat
52 15 055 Removing And Installing Or Replacing Lumbar Cushion On Front Seat

Necessary preliminary tasks:
- Remove rear panel on front seat

Detach backrest cover (1) from backrest frame.

Unlock quick connector and detach air hoses (1 and 2) from valve housing (3).
NOTE: Connections are coded against incorrect assembly.

Detach lumbar cushion (1) from spring wire (2).
Installation:
Attach lumbar cushion (1) to third and fifth wires from below.
Unclip air hoses (3) and (4) from holder.

Press back support (1) a little.
Pull out lumbar cushion (2) towards top.
Feed air hoses out of backrest frame and spring wire.

Installation:
Check lumbar cushion at top (1) and bottom (2) for damage.
Air hoses (3) must not be kinked.

Installation:
Carry out function check.