52 13 030 Removing and installing/replacing backrest frame on front seat (manual/electric)
Necessary preliminary tasks:
- Remove seat fabric, see Replacing seat cover on left or right front seat (normal/manual)
- Remove backrest cover, see Replacing backrest cover for left or right front seat
Unlock backrest and fold forwards completely up to stop pin.
This partially relieves tension on torsion spring.
WARNING:
Torsion spring is still under tension. Danger of injury!
Carefully disengage torsion spring (1) from pin with a pair of pliers.
Release screw (2) and detach torsion spring from axle pin.
Tightening torque: 52 13 6AZ .
Disengage Bowden cable (1) from release mechanism.
Release screws (1).
Installation:
Replace screws and insert with Loctite.
Tightening torque: 52 13 3AZ .
Remove backrest frame (1) from seat mechanism (2).
Replacement only:
If necessary, remove lumbar support, see Removing and installing lumbar support on front seat .