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

WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2018 BMW M6, 2018 BMW 650i xDrive, 2018 BMW 650i, 2018 BMW 640i xDrive, and 2018 BMW 640i. 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 Left Exhaust Manifold Screws

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Release screws (1).

Tightening torque 18 31 4AZ .

Remove heat shield (2).

Fig 2: Identifying Heat Shield With Screws

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Release screws (1).

Tightening torque 18 31 4AZ .

Remove heat shield (2) at rear left.

Fig 3: Identifying Heat Shield Screws

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Unscrew nuts.

Replace nuts.

Tightening torque 18 31 2AZ .

Remove exhaust manifold (1).

Installation note:

Replace gasket (2).

Reinstall securing strip.

Fig 4: Locating Exhaust Manifold Screws

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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 Gaskets

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Assemble engine.

Check exhaust system for leaks.