11 65 030 Removing and installing/replacing exhaust turbocharger, left, cylinders 5-8 (S63)

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Risk of fire if oil lines are leaking.
Risk of mixing up vacuum hoses.

Necessary preliminary tasks:

Remove CATALYTIC CONVERTER , cylinders 5-8.

Release hose clamps (1).

Detach coolant hoses.

Release screw (2) from oil line.

Tightening torque 11 42 7AZ .

Unfasten banjo bolt (3).

Tightening torque 11 42 4AZ .

Lay oil line (3) from turbocharger to side.

Installation:

Replace all sealing rings.

Fig 1: Identifying Oil Line, Hose Clamps, Banjo Bolt And Screw

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Release screw (4) with a suitable tool.

NOTE: Oil return pipe (3) can only be removed with turbocharger.

Tightening torque 11 42 10AZ .

Fig 2: Identifying Oil Return Pipe And Screws

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Release screw (1).

Open V-band clamp (2).

IMPORTANT: Do not mechanically deform oil return line.

Remove turbocharger with oil return line in upward direction.

Fig 3: Identifying V-Band Clamp And Screw

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If necessary, convert coolant feed line to new turbocharger.

Release banjo bolt (1).

Tightening torque 11 53 2AZ .

Release screw (2).

Tightening torque 11 53 4AZ .

Fig 4: Identifying Banjo Bolt And Screw

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Release screws (1).

Tightening torque 11 42 9AZ .

Remove oil return pipe (2).

Installation:

A new oil return pipe must always be fitted.

Replace seal.

Fig 5: Identifying Oil Return Pipe And Screws

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IMPORTANT: A deformed oil return pipe can result in leaks.
Risk of fire if oil line is leaking.

The thermal linear compensators (see arrows) on the oil return pipe (1) must not be mechanically deformed.

Installation:

Moisten oil return pipe at end with engine oil.

Fig 6: Identifying Oil Return Pipe

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IMPORTANT: The O rings (1) can easily fall into the oil duct.

Installation:

Replace O-rings on oil return cover (2).

NOTE: Picture shows turbocharger removed.

Fig 7: Identifying Oil Return Cover And O Rings

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Position turbocharger with oil return line on exhaust manifold.

Position V-band clamp (2).

Insert screw (1).

Tightening torque 11 65 1AZ .

Fig 8: Identifying V-Band Clamp, Bolt And Screw

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Installation:

The ends of the V band clamp must rest parallel to each other.

Tightening torque 11 65 1AZ .

Fig 9: Identifying V-Band Clamps Ends Parallel

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Screw connection of V band clamp is too loose:

If you can see a gap between the ends of the V band clamps, release and then repeat the screw connection.

Tightening torque 11 65 1AZ .

Fig 10: Locating V Band Clamps Gap

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Screw connection of V band clamp is too tight:

If the ends of the V band clamp are positioned under each other, release and then repeat the screw connection.

Tightening torque 11 65 1AZ .

Fig 11: Locating V Band Clamps Positioned Under Each Other

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IMPORTANT: Risk of mixing up vacuum hoses.

Vacuum hose (1) black/yellow for cylinders 5-8.

Illustration shows N63.

Fig 12: Identifying Vacuum Hose

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Assemble engine.

Check VACUUM CONNECTIONS .

Observe BMW diagnosis instructions.

Complete vehicle
Drive
Engine electrical system
Air supply
Boost pressure control