Installing turbocharger

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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.

Check the stud bolt (1) for damage, replace the stud bolt (1) if necessary.
Parts: Stud bolts
Check the screw-in depth (A) of the upper stud bolt (1), screw in further if necessary.

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

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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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Replace the seal (1).
Parts: Seals

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Guide in and install the seal (1).
Make sure that the seal (1) is correctly installed in the guide pins in the marked area.

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Replace the O-ring (1) on the oil feed line (2) for the turbocharger using special tool 0 496 714 (00 9 030) .
Parts: O-ring

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

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

Engine oil

Technically suitable engine oils for BMW Group engines

Insert the turbocharger (2) and position it.
Feed in the oil feed line (1) for the turbocharger and position it on the turbocharger (2).

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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).

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NOTE: TECHNICAL INFORMATION
Note the installation position of the component. The component can be installed in various installation positions.

Mount the sliding bar (1).
The original BMW part number of the sliding rail (1) must be legible from the rear.

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NOTE: TECHNICAL INFORMATION
When assembling, it is essential to observe screwing sequences and tightening torques.
Failure to comply with the regulations can lead to leaks and damage.

Replace nuts (1) to (5).
Parts: Nuts
Tighten the nuts in the sequence (1) to (5).

Fig 1: Exhaust Turbocharger Nuts Tightening Sequence

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TIGHTENING TORQUES SPECIFICATION

Turbocharger to cylinder head
M7 Observe tightening sequence!	Replace nuts. 1. Joining torque	10 Nm
	2. tightening torque	10 Nm
	3. Joining torque	16 Nm
	4. tightening torque	16 Nm
	5. Tightening torque	16 Nm

Perform initial filling with the additive when replacing the turbocharger

NOTE: RISK OF DAMAGE
Dry running due to insufficient initial filling of the turbocharger.
Damage to the turbocharger.

Be sure to do the initial filling when replacing the turbocharger.
Fill the turbocharger with the matching additive (see applicable BMW parts catalogue).

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Fill additive (1) in the bore (2) of the oil feed line.

CONSUMABLE SPECIFICATION

Turbocharger additive, gasoline MSP

17 ml, Tube

83192457276

Feed in and install the oil feed line (2) for the turbocharger.
Tighten down screw (1).

TIGHTENING TORQUES SPECIFICATION

Oil feed line to turbocharger/crankcase
M6x12	Tightening torque	8 Nm

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

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Feed in and install the heat shield (2).
Tighten down screws (1).

TIGHTENING TORQUES SPECIFICATION

Heat shield to cylinder head
M8 x 12	Tightening torque	19 Nm

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Feed the heat shield (2) into the marked area and install it.
Tighten down screw (1).

TIGHTENING TORQUES SPECIFICATION

Heat shield to cylinder head
M8 x 12	Tightening torque	19 Nm

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Tighten down screw (1).

TIGHTENING TORQUES SPECIFICATION

Heat shield to trim strip
M6 x 12	Tightening torque	8 Nm

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Follow-up work

Refer to INSTALLING THE OIL RETURN LINE FOR THE TURBOCHARGER .
Refer to INSTALLING THE COOLANT RETURNING LINE FOR THE TURBOCHARGER .
Refer to INSTALLING THE COOLANT FEED LINE FOR THE TURBOCHARGER .
Refer to INSTALLING CATALYTIC CONVERTER .
Refer to INSTALLING EXHAUST SYSTEM .
Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
Refer to INSTALLING TANK COVER ON LEFT AND RIGHT .
Refer to INSTALLING LAMBDA OXYGEN SENSOR .
Refer to INSTALLING THE ACOUSTIC COVER FOR THE ENGINE, FRONT .
Refer to INSTALLING CHARGE AIR LINE .
Refer to INSTALLING CLEAN AIR PIPE .
Refer to INSTALLING RESONATOR .
Refer to INSTALLING ACOUSTIC COVER AT REAR .
Refer to INSTALLING THE COWL UPPER PART .
Refer to INSTALLING TENSION STRUT ON LEFT AND RIGHT SHOCK TOWER .
Refer to INSTALLING WINDSHIELD PANEL COVER .
Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
Refer to INSTALLING THE REAR HOOD SEAL .
Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
Refer to CHECKING THE HIGH-TEMPERATURE COOLING SYSTEM FOR WATERTIGHTNESS .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING THE COVER OF THE STEERING ASSEMBLY .
Refer to INSTALLING FRONT UNDERBODY PROTECTION .
Refer to INSTALLING THE CENTER UNDERBODY PROTECTION .
Refer to CHECKING ENGINE OIL LEVEL .
Refer to TAKING HOOD OUT OF THE SERVICE POSITION .