67 31 630 Removing and Installing/Replacing Drive For Backrest Tilt Adjustment (Comfort Seats In Rear Compartment)

67 31 630 Removing And Installing/Replacing Drive For Backrest Tilt Adjustment (Comfort Seats In Rear Compartment)







Necessary preliminary tasks:
- Partially remove left or right backrest cover







Installation:
- Powerlok screws must be replaced and must not be reused
- Powerlok screws are mechanical screw locks with trilobular threads







Installation:
- Microencapsulated screws (Loctite) must be replaced and may not be reused
- Screw connection must be completed within 20 minutes (start of curing)
- Microencapsulated screws must not be retightened
- Clean thread of nut beforehand in event of repeated use







Unfasten plug connection (2) and disconnect.
Release screw (1).

Installation:
Replace screw (1).
Tightening torque 67 31 16AZ .







Release screws (1).

Installation:
Replace screws (1).
Tightening torque 67 31 15AZ .
Remove drive unit.







NOTE: Carry out function check with adapter cable







Replacement only:
Initialise backrest adjustment motor.