Necessary preliminary work

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2015 BMW Alpina B7L, 2015 BMW Alpina B7, 2014 BMW Alpina B7L, 2014 BMW Alpina B7, and 2013 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

Remove left TURBOCHARGER .
Remove right TURBOCHARGER .
Remove ALTERNATOR(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 Heat Shield With Screws

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Release screws (1).

Tightening torque 18 31 4AZ .

Remove heat shield (2) at rear right.

Fig 3: Identifying Heat Shield At Rear Right With 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 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.