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 electric wastegate valve controller.
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 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: Gasket

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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.
Replace the nuts (1) and screws (2).
Parts: Nut and screws
Insert the nuts (1) and screws (2).
NOTE: Insert the screws in steps of 360 degrees.

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

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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

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

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: screw
Feed in the support (3) and position it.

Tighten down screws (2).

TIGHTENING TORQUE SPECIFICATIONS

Exhaust turbocharger support to crankcase
M8x20 Replace screws.	Tightening torque 19 Nm

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Tighten down screw (1).

TIGHTENING TORQUE SPECIFICATIONS

Exhaust turbocharger to support
M8x25 Replace screw.	Tightening torque 19 Nm

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

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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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Using the special tool 0 496 714 (00 9 030) , replace the sealing ring (2) on the oil feed line for the exhaust turbocharger.
Parts: Sealing rings

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 motor oil.
Engine oil

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
M6x12 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 EXHAUST TURBOCHARGER .
Refer to INSTALLING CATALYTIC CONVERTER .
Refer to INSTALLING EXHAUST SYSTEM .
Refer to INSTALLING THE LEFT AND RIGHT REAR DIFFUSER .
Refer to INSTALLING THE TENSION STRUT AT THE RIGHT REAR AND IF NECESSARY, ON THE LEFT SIDE .
Refer to INSTALLING THE OXYGEN SENSOR MONITOR .
Refer to INSTALLING LAMBDA OXYGEN SENSOR .
Refer to INSTALLING THE CLEAN AIR PIPE AND THE RESONATOR .
Refer to INSTALLING THE INTAKE FILTER HOUSING (TENSION STRUT REMOVED ON SHOCK TOWER) .
Refer to INSTALLING CHARGE AIR LINE .
Refer to INSTALLING FAN COWL .
Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
Refer to INSTALLING TENSION STRUT ON LEFT AND RIGHT SHOCK TOWER .
Refer to INSTALLING UPPER CROSS CONNECTION .
Refer to INSTALLING THE COVER IN THE ENGINE COMPARTMENT AT TOP LEFT , and INSTALLING THE COVER IN THE ENGINE COMPARTMENT ON THE TOP RIGHT .
Refer to FILLING AND VENTING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to INSTALLING THE FRONT BOTTOM RIGHT WHEEL ARCH COVER .
Refer to INSTALLING THE COVER OF THE STEERING ASSEMBLY .
Refer to INSTALLING FRONT UNDERBODY PROTECTION .
Refer to INSTALLING THE STIFFENING PLATE .
Refer to INSTALLING ACOUSTIC COVER .
Refer to CHECKING ENGINE OIL LEVEL .
Refer to TAKING HOOD OUT OF THE SERVICE POSITION .