Exhaust Manifold: Service and Repair

18 40 030 - Removing and installing/replacing both exhaust manifolds (M54)





Warning!
Scalding hazard!
Only perform these tasks after exhaust system has cooled down.





Necessary preliminary tasks:
- Secure engine in installation position.
- Remove transmission underbody protection.
- Unfasten ground strap.
- Remove exhaust system.
- Remove oxygen sensors.





Loosen screws (2).
Remove engine support arm (1).
Release nuts in area (3).
Remove exhaust manifold.

Installation Note:
Replace all seals.
Replace all collar nuts (3).





Add final details to vehicle.
Check exhaust system for leaks.
Check function of DME.