Installing exhaust turbocharger

Further information is available .

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 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 - SCREW-IN DEPTH OF UPPER STUD BOLTS 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.

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

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

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Replace the O-ring (1) on the oil feed line (2) for the exhaust turbocharger with the 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) viscous grade.

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

ENGINE OIL SPECIFICATION

Technically suitable engine oils for BMW Group engines

Insert the exhaust turbocharger (2) and position it.
Insert and position the oil feed line (1) for the exhaust turbocharger on the exhaust 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 exhaust 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 bar (1) must be legible from the rear.

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Fig 1: Exhaust Turbocharger Nuts Tightening Sequence

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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 sequence (1) to (5).

TIGHTENING TORQUES SPECIFICATION

Exhaust 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

Carry out initial filling with the additive when replacing the exhaust gas turbocharger.

Dry running due to insufficient initial filling of the exhaust turbocharger.

Damage to the exhaust turbocharger.

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

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Additive (1) in the bore (2) fill the oil supply line.

CONSUMABLE - EXHAUST TURBOCHARGER ADDITIVE DESCRIPTION

Exhaust turbocharger additive, gasoline MSP

17 ml, Tube

83192457276

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

TIGHTENING TORQUES SPECIFICATION

Oil feed line to exhaust 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
M8x 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
M8x12	Tightening torque	19 Nm

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Tighten down screw (1).

TIGHTENING TORQUES SPECIFICATION

Heat shield to trim strip
M6x 12	Tightening torque	8 Nm

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Follow-up work

Refer to INSTALLING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
Refer to INSTALLING THE COOLANT RETURN LINE FOR THE EXHAUST TURBOCHARGER .
Refer to INSTALLING COOLANT FEED LINE FOR EXHAUST TURBOCHARGER .
Refer to INSTALLING CATALYTIC CONVERTER .
Refer to INSTALLING THE COMPLETE EXHAUST SYSTEM .
Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
Refer to INSTALLING LAMBDA OXYGEN SENSOR .
Refer to INSTALLING THE ACOUSTIC COVER FOR THE ENGINE AT THE 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 FRONT HOOD SEAL AT THE REAR .
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 CENTER UNDERBODY PROTECTION .
Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
Refer to CHECKING ENGINE OIL LEVEL .
Refer to TAKING HOOD OUT OF THE SERVICE POSITION .