18 40 010 Removing and installing/renewing left 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

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Release screws (1).

Tightening torque 18 31 4AZ.

Remove heat shield (2).

Fig 2: Identifying Heat Shield And Screws

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Release screws (1).

Tightening torque 18 31 4AZ.

Remove heat shield (2) at rear left.

Fig 3: Identifying Rear Left Heat Shield And Screws

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Unscrew nuts.

Replace nuts.

Tightening torque 18 31 3AZ.

Remove exhaust manifold (1).

Installation note:

Replace gasket (2).

Reinstall securing strip.

Fig 4: Locating Exhaust Manifold Mounting Nuts

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Installation note:

Replace gaskets (1).

Seal beads faces the exhaust manifold.

Coat threads with copper paste.

Fig 5: Identifying Exhaust Manifold Gasket

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Assemble engine.

Check exhaust system for leak tightness.