Replacing Center Muffler

18 12 050 Replacing center silencer (N55)

Special tools required:





Warning!
Risk of burning!
Only perform this repair work after the exhaust system has cooled down.

Support center silencer with special tool 31 2 220 and a suitable universal lifter.








Necessary preliminary work:
^ E82 only:
Remove trailing link.





E88 only:
Release screws.

Remove reinforcement (1).

Unscrew nuts.

Tightening torque 18 31 1AZ.





Installation note:
Replace self-locking nuts.

Replace gasket.





Release screw (1) and remove holder.

Tightening torque 18 20 1AZ.





Release screws.

Replace sealing ring.

Feed out center silencer and remove.

Note:
Check exhaust system for leak tightness.