18 40 020 Removing and installing/replacing right exhaust manifold (N63)

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Risk of burning!
Only perform this repair work on an engine that has cooled down.

Necessary preliminary work

Remove left TURBOCHARGER.
Remove right TURBOCHARGER .
ALTERNATOR remove (not F04)

Release screws (1).

Tightening torque 18 31 4AZ.

Fig 1: Identifying Exhaust Manifold Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 18 31 4AZ.

Remove heat shield (2).

Fig 2: Identifying Heat Shield And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 18 31 4AZ.

Remove heat shield (2) at rear right.

Fig 3: Identifying Rear Right Heat Shield And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts.

Replace nuts.

Tightening torque 18 31 3AZ.

Remove exhaust manifold (1).

Installation note:

Replace gasket (2).

Reinstall securing strip.

Fig 4: Locating Right Exhaust Manifold Mounting Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Replace gaskets (1).

Seal beads faces the exhaust manifold.

Coat threads with copper paste.

Fig 5: Identifying Exhaust Manifold Gasket

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check exhaust system for leak tightness.