Removing or Installing/Replacing Lumbar Cushion on Front Seat (M3 Sport Seat)

52 16 050 - Removing or installing/replacing lumbar cushion on front seat (M3 sport seat)





Necessary preliminary tasks:
- Remove rear panel on front seat backrest Removing and Installing/Replacing Rear Panel on Left or Right Front Seat Backrest





Detach backrest cover in marked area.





Unlock and detach quick connectors from red and green air hoses (1) and (2).

Installation:
Connections are coded against incorrect installation.
Replacement only:
Wrap air hose (green) in contact area with spring wire in fabric adhesive tape (risk of damage).





Lift fleece tabs of lumbar support cushion carrier from plastic clips (1).

Installation:
Hook lumbar support cushion over second and fourth wire.

Disengage springs (2) from spring wire.





Feed out lumbar cushion carrier with lumbar cushion between backrest frame and spring wire.






Installation:
Check lumbar cushion at top (1) and bottom (2) for damage.
Check quick connectors (3) for damage.
Install air hoses without kinks.





Installation:
Carry out function test Performing Function Check with Adapter Cable (for Seat Repairs).