Removing and Installing/Replacing Left Exhaust Manifold

18 40 010 Removing and installing/replacing left exhaust manifold (N63 hybrid)





Warning!
High-voltage system - danger to life!





Warning!
The following points must be strictly observed prior to starting work:
^ De-energise the high-voltage system
^ Observe safety instructions for handling with hybrid vehicles

Warning!

Scalding hazard!
Only perform these tasks on an engine that has cooled down.





Necessary preliminary tasks:
^ Remove left turbocharger.
^ Remove right turbocharger.





Release screws (1).

Tightening torque 18 31 4AZ.





Release screws (1).

Tightening torque 18 31 4AZ.

Remove heat shield (2).





Release screws (1).

Tightening torque 18 31 4AZ.

Remove heat shield (2) at rear left.





Unscrew nuts.

Replace nuts.

Tightening torque 18 31 3AZ.

Remove exhaust manifold (1).

Installation:
Replace seal (2).

Installation:





Replace gaskets (1).

Seal beads faces the exhaust manifold.

Coat threads with copper paste.





Assemble engine.

Check exhaust system for leaks.