11 65 030 Removing and installing/replacing exhaust turbocharger, left, cylinders 5-8 (N63 hybrid)

WARNING: This page is about a different car, the 2011 BMW X6 and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

WARNING: High-voltage system - danger to life!

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

Necessary preliminary tasks:

Remove CATALYTIC CONVERTER , cylinders 5-8

Disconnect plug connection (1) on electric changeover valve (2).

Fig 1: Identifying Electric Changeover Valve And Plug Connection

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Release screw (1).

Tightening torque 11 42 7AZ .

Unfasten banjo bolt (2).

Tightening torque 11 42 4AZ .

Lay oil line from turbocharger to side.

Installation:

Replace all sealing rings.

Fig 2: Identifying Oil Line Screw And Banjo Bolt

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Release screw (1).

Tightening torque 11 53 3AZ .

Release banjo bolt (2).

Tightening torque 11 53 2AZ .

Lay coolant return line to one side.

Installation:

Replace all sealing rings.

Fig 3: Identifying Coolant Return Line Screw And Banjo Bolt

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Open hose clip (1).

Detach coolant feed line (2).

Installation:

Replace hose clamp (1).

Fig 4: Identifying Coolant Feed Line And Hose Clamp

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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 5: Identifying Oil Return Pipe And Mounting 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 6: Identifying Oil Return Line V-Band Clamp And Mounting Screws

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If necessary, convert coolant feed line to new turbocharger.

Release banjo bolt (1).

Tightening torque 11 53 2AZ .

Fig 7: Identifying Turbocharger And Banjo Bolt

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Release screw (1).

Tightening torque 11 53 3AZ .

Modify coolant feed line (2).

Fig 8: Identifying Coolant Feed Line 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 9: Identifying Oil Return Pipe And Screw

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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 in illustration) on the oil return pipe (1) must not be mechanically deformed.

Installation:

Moisten oil return pipe at end with engine oil.

Fig 10: Locating Oil Return Pipe Thermal Linear Compensators

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Illustration shows special tools.

Fig 11: Identifying Special Tool (11 6 120)

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To install the exhaust turbocharger, it is essential to use special tool 11 6 120 , consisting of 11 6 121 and 11 6 123 .

Place special tool (1) on turbocharger and secure with screw (2).

Slide in screw shaft (3) up to mounting bolt (4).

Secure screw shaft (3) with knurled screw (5).

NOTE: Oil return pipe must not be deformed.

Fig 12: Sliding Screw Shaft Up To Mounting Bolt

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Release knurled screw (5).

Screw oil return pipe to screw shaft (3).

Tightening torque 11 42 10AZ .

Fig 13: Identifying Oil Return Pipe Screw Shaft And Knurled Screw

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IMPORTANT: The O-rings can easily fall into the oil duct.

Installation:

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

NOTE: Picture shows turbocharger removed.

Fig 14: Identifying Oil Return Cover And Screws

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Replace gasket (1) on exhaust manifold.

Installation:

Check locating apparatus on exhaust manifold.

Fig 15: Locating Exhaust Manifold Locating Apparatus

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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 16: Identifying Oil Return Line V-Band Clamp And Mounting Screws

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Installation:

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

Tightening torque 11 65 1AZ .

Fig 17: Identifying V-Band Clamp

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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 18: Locating Gap Between Ends Of V-Band Clamps

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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 19: Locating Ends Of V-Band Clamp

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IMPORTANT: Risk of mixing up vacuum hoses.

Vacuum hose (1) for cylinders 5-8

Old version: black/blue

New version: black/yellow

Fig 20: 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