Insert the turbocharger for the cylinders 1 to 3

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

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

Check the stud bolts (1) for tightness.

TIGHTENING TORQUES SPECIFICATION

Stud bolt on cylinder head
M7X58	tightening torque	12 Nm

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SEALING COMPOUND SPECIFICATION

Loctite 270

10 ml, Bottle

83192210337

Result

» Loose stud bolt (1).

Measure

Replace the stud bolt (1).
Check the cylindrical pin in the marked area for damage, replace if necessary.

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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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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 (2) on the turbocharger (1) using special tool 0 495 102 (11 4 470) .

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Replace the seal (1).
Parts: Seal

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Replace the sealing ring (1) of the oil feed line (2) for cylinders 1 to 3 with special tool 0 496 714 (00 9 030) .
Parts: Sealing ring

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

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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.

Guide the turbocharger (1) into the trim strip (2) and install it.
Protect the turbocharger (1) from falling.

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

Feed in and install the shifting strip (A).
The original BMW part number of the sliding rail (A) must be legible in the marked area.

Fig 1: 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 (4).
Parts: Nuts
Join and tighten nuts in the sequence (1) to (4).

TIGHTENING TORQUES SPECIFICATION

Turbocharger to cylinder head
M7 Replace nuts. Observe tightening sequence!	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

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 turbocharger additive (1) into the bore (2) of the oil feed line.

CONSUMABLE SPECIFICATION

Additive for turbocharger

17 ml, Tube

83195B305D6

Guide in and install the oil feed line (2) for cylinders 1 to 3.
Tighten down screw (1).

TIGHTENING TORQUES SPECIFICATION

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

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Clean the sealing surface (1) using special tool 0 495 102 (11 4 470) .

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Check the sealing ring (1) for damage and replace the sealing ring (1) as needed.

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Check the sealing ring (1) for damage, replace the connecting brackets (2) for cylinders 4 to 6 if necessary.

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Guide in and install the connecting bracket (5) for cylinders 1 to 3.
Tighten the screws (4).

TIGHTENING TORQUES SPECIFICATION

Connecting brackets on turbocharger
M6	tightening torque	8 Nm

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Tighten down screw (3).

TIGHTENING TORQUES SPECIFICATION

Connecting brackets on turbocharger
M6	tightening torque	8 Nm

Connect and lock the connectors (1) and (2).
The connectors (1) must engage audibly.

Follow-up work

Refer to INSTALLING THE OIL RETURN LINE FOR CYLINDERS 1 TO 3 .
Refer to INSERTING THE TURBOCHARGER FOR THE CYLINDERS 4 TO 6 .
Refer to INSTALLING CHARGE AIR DUCT OF CYLINDERS 1 TO 3 .
Refer to INSTALLING THE OIL RETURN LINE FOR CYLINDERS 4 TO 6 .
Refer to INSTALLING THE COOLANT RETURNING LINE BETWEEN THE TURBOCHARGER AND THE THERMOSTAT .
Refer to INSTALLING THE COOLANT FEED LINE PART 2 BETWEEN THE AUXILIARY COOLANT PUMP AND TURBOCHARGER .
Refer to INSTALLING THE TWO CATALYTIC CONVERTERS .
Refer to INSTALLING ALL OXYGEN SENSORS .
Refer to INSTALLING EXHAUST SYSTEM .
Refer to INSTALLING CENTER STIFFENING PLATE .
Refer to IF INSTALLED: INSTALLING THE RIGHT AND LEFT TORSION STRUTS .
Refer to INSTALLING TANK COVER ON LEFT AND RIGHT .
Refer to FASTENING THE AUXILIARY COOLANT PUMP FOR THE TURBOCHARGER .
Refer to INSTALLING FAN COWL .
Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
Refer to INSTALLING FRONT CROSS CONNECTION .
Refer to INSTALLING INTAKE FILTER HOUSING .
Refer to INSTALLING THE STRUT BRACE .
Refer to INSTALLING FRONT-END STRUT ON LEFT AND RIGHT .
Refer to INSTALLING MOUNT OF HOOD SEAL ON THE LEFT AND RIGHT .
Refer to INSTALLING THE REAR RIGHT ENGINE COMPARTMENT COVER .
Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT ON THE REAR LEFT .
Refer to INSTALLING THE COVER IN THE ENGINE COMPARTMENT AT TOP LEFT AND RIGHT .
Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
Refer to TOPPING UP THE MOTOR OIL .
Refer to ACTIVATING VEHICLE ELECTRICAL SYSTEM .
Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
Refer to CHECKING ENGINE OIL LEVEL .
Refer to CHECKING THE HIGH-TEMPERATURE COOLING SYSTEM FOR WATERTIGHTNESS .
Refer to INSTALLING THE FRONT BOTTOM RIGHT WHEEL ARCH COVER .
Refer to INSTALLING THE COVER OF THE STEERING ASSEMBLY ON THE RIGHT .
Refer to INSTALLING THE CENTER UNDERBODY PROTECTION .
Refer to INSTALLING UNDERBODY PROTECTION AT REAR .
Refer to INSTALLING FRONT UNDERBODY PROTECTION .
Refer to TAKING HOOD OUT OF THE SERVICE POSITION .