18 40 040 Removing and installing, sealing/replacing exhaust manifold (N57 D30 O 1)

WARNING: This page does not describe the selected car, but rather 50 other vehicles, including the 2016 BMW M5, 2016 BMW ActiveHybrid 5, 2016 BMW 550i xDrive, 2016 BMW 550i, and 2016 BMW 535i xDrive. 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 EXHAUST TURBOCHARGER .

Release screws (1).

Installation note:

Grease screws with ASSEMBLY PASTE 4.2 .

Tightening torque: 11 71 1AZ.

Fig 1: Identifying Exhaust Manifold Screws

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Unfasten hose clamp (1).

Tightening torque 18 31 4AZ .

Unfasten banjo bolt (2).

Tightening torque 18 31 6AZ .

Replace sealing rings.

IMPORTANT: To ensure operational reliability, use stainless steel sealing washers.

Remove exhaust pressure pipe (3).

Unscrew nuts (4).

Tightening torque 18 31 7AZ .

Remove heat shields.

Fig 2: Identifying Hose Clamp, Banjo Bolt, Exhaust Pressure Pipe And Sealing Rings

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Release nuts along dashed line (1).

Tightening torque 18 31 3AZ .

Remove exhaust manifold (2) from cylinder head.

Installation note:

Clean connection points.

Replace gaskets.

Reinstall reinforcement plates.

Fig 3: Identifying Exhaust Manifold From Cylinder Head

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IMPORTANT: Manifold gaskets are graphite-coated on one side!

The graphite coating must be fitted on the manifold side.

Fig 4: Locating Manifold Gaskets Graphite Coating

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Assemble engine.

Check function of DDE.