Installing turbocharger

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

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

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

NOTE: RISK OF DAMAGE
Lateral forces when installing or removing the turbocharger.
Damage to the turbocharger.

Do not lift the turbocharger by the compressor insert when installing or removing it.

NOTE: TECHNICAL INFORMATION
When replacing the stud bolts, they must be coated with screw locking agent (Loctite 270).

Check stud bolts (1) for damage and, if necessary, replace stud bolts (1).
Check insertion depth (A) of stud bolt (1).

TECHNICAL DATA SPECIFICATIONS

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.

Insert and install the turbocharger (1).
Protect the turbocharger (1) from falling.

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When replacing nut (1), use the changed version of nut (2).

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Replace nuts (1).
Parts: Nuts
Insert the nuts (1).

NOTE: Insert nuts in 360 degree increments.

Tighten nuts (1).

TIGHTENING TORQUE SPECIFICATIONS

Turbocharger to cylinder head
M7 Replace nuts.	1. Snug 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 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

Turbocharger support to crankcase
M8 x 20 Replace screws.	19 Nm

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Tighten down screw (1).

TIGHTENING TORQUE SPECIFICATIONS

Turbocharger to support
M8 x 25 Replace screw.	19 Nm

Replace the sealing rings (1) on the coolant feed line (2) for the 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 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 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 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 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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Follow-up work

Refer to INSTALLING THE OIL RETURN LINE FOR THE TURBOCHARGER .
Refer to INSTALLING CATALYTIC CONVERTER .
Refer to INSTALLING THE COMPLETE EXHAUST SYSTEM .
Refer to INSTALLING THE REAR DIFFUSER .
Refer to INSTALLING THE TORSION STRUT ON THE REAR LEFT AND RIGHT .
Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
Refer to INSTALLING THE OXYGEN SENSOR MONITOR .
Refer to INSTALLING LAMBDA OXYGEN SENSOR .
Refer to INSTALLING CHARGE AIR LINE .
Refer to INSTALLING BOTTOM CLEAN AIR PIPE .
Refer to INSTALLING THE RESONATOR WITH THE TOP CLEAN AIR PIPE .
Refer to INSTALLING THE INTAKE FILTER HOUSING (TENSION STRUT REMOVED ON SHOCK TOWER) .
Refer to INSTALLING FAN COWL .
Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
Refer to INSTALLING UPPER CROSS CONNECTION .
Refer to INSTALLING BOTH FRONT-END STRUTS .
Refer to INSTALLING THE CENTER ENGINE COMPARTMENT COVER .
Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
Refer to CHECKING ENGINE OIL LEVEL .
Refer to INSTALLING THE COVER OF THE STEERING ASSEMBLY .
Refer to INSTALLING THE FRONT BOTTOM LEFT AND RIGHT COVER .
Refer to INSTALLING FRONT UNDERBODY PROTECTION .
Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
Refer to INSTALLING THE CENTER UNDERBODY PROTECTION .
Refer to INSTALLING UNDERBODY PROTECTION AT REAR .
Refer to INSTALLING ACOUSTIC COVER .
Refer to TAKING HOOD OUT OF THE SERVICE POSITION .