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

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. 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 tasks:

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

Release screws (1).

Tightening torque 18 31 4AZ .

Fig 1: Identifying Screws

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Release screws (1).

Tightening torque 18 31 4AZ .

Remove heat shield (2).

Fig 2: Identifying Screws And Heat Shield

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Release screws (1).

Tightening torque 18 31 4AZ .

Remove heat shield (2) at rear left.

Fig 3: Identifying Screws And Heat Shield At Rear Left

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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 Nut And Gasket

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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.