52 14 030 Removing and installing/replacing backrest frame on front left or right seat (normal/electric)
WARNING: This page is about a different car, the 2007 BMW M6, 2006 BMW M6, 2005 BMW 645Ci, and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Remove rear panel on front seat, refer to 52 14 198 REMOVING AND INSTALLING/REPLACING REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/ELECTRIC) or 52 16 198 REMOVING AND INSTALLING/REPLACING REAR PANEL ON FRONT LEFT OR RIGHT SEAT BACKREST (SPORTS/ELECTRIC) .
Replacement only:
- Remove backrest cover, refer to 52 14 405 REPLACING BACKREST COVER FOR FRONT LEFT OR RIGHT SEAT (NORMAL/ELECTRIC) .
- Remove lumbar cushion
- Remove valve housing for lumbar support
- Remove drive unit for lumbar support, refer to 67 66 010 REMOVING AND INSTALLING/REPLACING LUMBAR SUPPORT DRIVE MECHANISM ON FRONT SEAT, LEFT OR RIGHT .
- Remove release mechanism on front seat, refer to 52 14 034 REMOVING AND INSTALLING/REPLACING RELEASE MECHANISM ON FRONT LEFT OR RIGHT SEAT .
Removing backrest frame only:
Unhook backrest cover (1) on left and right.
IMPORTANT:
Do not under any circumstances turn screw underneath screw (2), this would destroy the seat frame.
Release screws (2) on left and right.
Installation:
Replace screws (microencapsulated).
Tightening torque, refer to 52 10 2AZ in SEATS - TIGHTENING TORQUES - 645CI .
Remove backrest frame (3) with backrest cover towards top.
Replacing backrest frame only:
Detach mount (1) for rear panel towards top/rear from backrest frame (2).
Installation:
Catch (1) and guide (2) on mount (3) for rear panel must not be damaged.
Guide taper (4) must point downwards.
If necessary, remove mat (1) from spring wire (2) of backrest frame (3).
Installation:
- If necessary, suspend mat (1) on uppermost spring wire (2) on backrest frame (3).