52 25 049 Replacing lumbar cushion on left or right rear seat
WARNING: This page is about a different car, the 2005 BMW 745i, 2004 BMW 745i, 2003 BMW 745i, and 2002 BMW 745i. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Remove rear seat. Refer to 52 25 010 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT REAR SEAT .
- Remove rear panel on rear seat backrest. Refer to 52 25... REMOVING AND INSTALLING/REPLACING REAR PANEL ON REAR SEAT BACKREST .
- Remove valve housing for lumbar support. Rear to 52 25 059 REMOVING AND INSTALLING/REPLACING VALVE HOUSING FOR LUMBAR CUSHION .
Detach backrest cover at bottom from backrest frame.
Remove air hoses (1) from backrest frame.
Disconnect air hoses (1) from valve housing.
NOTE:
Heat air hoses gently if they are firmly seated on valve housing.
Housing of valve block must not be unclipped (leakage). If necessary, release mounting and clip housing together.
Housing of valve block must not be unclipped (leakage). If necessary, release mounting and clip housing together.
Detach lumbar cushion (3) from spring wire (2).
Remove lumbar cushion (3) towards bottom.
Installation:
Make sure air hoses are correctly connected to valve block (color coding).
Air hoses must be laid without kinks.
Check lumbar cushion for damage.