Installing exhaust turbocharger

NOTE: RISK OF DAMAGE
Damage of the electric wastegate valve controller.
Excessive force when removing and installing a jammed exhaust turbocharger may damage the electric wastegate valve controller.

Do not pull on the electrical wastegate valve controller or on the coupling rod.
Apply force only at the turbine housing and exhaust manifold.
Do not pull on the compressor housing.

Check screw-in depth (A) of upper stud bolts (1) ; if necessary, continue screwing in stud bolts or unscrew.

TECHNICAL DATA SPECIFICATION

Screw-in depth of upper stud bolts on cylinder head
	Dimension A	30 mm

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NOTE: RISK OF DAMAGE
Damage to the surface.
The use of metal-cutting tools (e.g., emery cloths) for cleaning surfaces can damage them and lead to leaks and/or engine damage.

Do not use any metal-cutting tools.

Clean the sealing surfaces (1) on the cylinder head using special tool 0 495 102 (11 4 470) .

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Replace seals (1) .
Parts: Seal

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(1) Insert and install gaskets.
Make sure the seals (1) are positioned correctly.

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NOTE: RISK OF DAMAGE
Damage to the surface.
The use of metal-cutting tools (e.g., emery cloths) for cleaning surfaces can damage them and lead to leaks and/or engine damage.

Do not use any metal-cutting tools.

Clean the sealing surfaces on the exhaust turbocharger (1) using special tool 0 495 102 (11 4 470) .

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CAUTION: Heavy component.
Heavy components can lead to injury or damage.

Remove and install heavy components with the aid of another person/other persons.

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Insert and install the exhaust turbocharger (1) .
Protect the exhaust turbocharger (1) from falling.
When replacing nut (1) , use the changed version of nut (2) .

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Replace the nuts (1) and screws (2) .
Parts: Nut and screws
Insert the nuts (1) and screws (2) .

NOTE: Join nuts and screws in 360 degree increments.

Tighten the nuts (1) and screws (2) .

TIGHTENING TORQUE SPECIFICATIONS

Exhaust turbocharger to cylinder head
M7 Replace screws. Replace nuts.	1. Joining torque	5 Nm
	2. tightening torque	18 Nm
	3. tightening torque	18 Nm

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Feed in and install the heat shield (2) .
Replace screws (1) .
Parts: Screws
Tighten down screws (1) .

TIGHTENING TORQUE SPECIFICATIONS

Heat shield of exhaust turbocharger to cylinder head top
M8X12 Replace screws.	tightening torque	19 Nm

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Replace screw (1) and (2) .
Parts: Screws
Feed in the support (3) and position it.
Tighten down screws (2) .

TIGHTENING TORQUE SPECIFICATIONS

Exhaust turbocharger support to crankcase
M8 x 20 Replace screws.	Tightening torque	19 Nm

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Tighten down screw (1) .

TIGHTENING TORQUE SPECIFICATIONS

Exhaust turbocharger to support
M8 x 25 Replace screw.	Tightening torque	19 Nm

Replace the sealing rings (1) on the coolant feed line (2) for the exhaust turbocharger using the special tool 0 496 714 (00 9 030) .
Parts: Sealing ring

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Feed in and install the coolant feed line for the exhaust turbocharger (3) .
Tighten down screw (1) .

TIGHTENING TORQUE SPECIFICATIONS

Coolant feed line to crankcase
M6X12	tightening torque	8 Nm

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Tighten down screw (2) .

TIGHTENING TORQUE SPECIFICATIONS

Coolant feed line to crankcase
M6X12	tightening torque	8 Nm

Tighten down screw (1) .

TIGHTENING TORQUE SPECIFICATIONS

Coolant return line holder to crankcase
M6X12	tightening torque	8 Nm

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Connect and lock the coolant return line (1) .
Make sure that the coolant return line (1) engages audibly.

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Replace the sealing ring on the oil feed line (2) for the exhaust turbocharger with the special tool 0 496 714 (00 9 030) .

Parts: Sealing ring

NOTE: TECHNICAL INFORMATION
Observe the sign in the engine compartment! Only fill with approved engine oil of the correct (Society of Automotive Engineers) viscosity grade.

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Fill the oil feed line (2) for the exhaust turbocharger up to the edge with engine oil.

ENGINE OIL DESCRIPTION

Technically suitable engine oils for BMW Group engines

Insert and install the oil supply line (2) .
Tighten down screw (1) .

TIGHTENING TORQUE SPECIFICATIONS

Oil feed line for exhaust turbocharger to crankcase
M6 x 12 Replace sealing ring.	tightening torque	8 Nm

Connect and lock the connector (1) .
Make sure the connector (1) engages audibly.

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