Installing turbocharger

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
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.

NOTE: RISK OF DAMAGE
Contaminant or foreign body.
Contamination can result in malfunctions, loss of function or leaks.

Adhere to the utmost cleanliness.
Protect components from contamination e.g. by covering.
Close off line connections with seal plugs.

NOTE: TECHNICAL INFORMATION
The sealing surfaces must be free of oil, grease and cleaning agents.

Replace gasket.
Parts: Seal
Mount the seal so that the part number (1) remains legible.

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Insert the seal (1) at the cylinder head and install.
Make sure the installation orientation of the seal (1) is correct.

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Insert and position the turbocharger (1) from the top.

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Guide in the turbocharger (1) down into the trim strip (2) and bring into contact with the cylinder head.

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

Check the shifting strip (1) for the correct installation position.
The original BMW part number must be readable from the rear.

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Feed in and install the shifting strip (1).
Replace all nuts.
Parts: Nuts
Tighten the nuts in the sequence (1) to (5).

TIGHTENING TORQUES SPECIFICATIONS

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

Fig 1: Turbocharger Nuts Tightening Sequence

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Check sealing ring (1) for damage, replace if necessary.

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Detach locks (1) from the holders in the arrow direction.
Ensure that locks (1) engage audibly.

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Guide in and install the pressure pipe (1) on the turbocharger (2) in the arrow direction.
Ensure that locks (3) engage audibly.

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Insert and install the line (2).
Tighten down screws (1).

TIGHTENING TORQUES SPECIFICATIONS

Charge air line to oil pan
M6x35	Tightening torque	8 Nm

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Insert and install the coolant return line (3).
Insert the coolant feed line (2) and install.
Tighten down screw (1).

TIGHTENING.S SPECIFICATIONS

Coolant feed line and return line to turbocharger
M6	Tightening torque	8 Nm

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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
Additive for turbocharger	17 ml, Tube	83195B305D6

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.

Fill the turbocharger with engine oil to the edge by connecting the oil supply line (2).

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Engine oil
Technically suitable engine oils for BMW Group engines

Insert and install the oil supply line (2).
Tighten down screw (1).

TIGHTENING TORQUES SPECIFICATIONS

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

Insert and install the heat shield (2) on the holder (3).
Tighten down screw (1).

TIGHTENING TORQUES SPECIFICATIONS

Heat shield to trim strip
M6	Tightening torque	8 Nm

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Thread out the standard tools (2) on the turbocharger (1) and remove.

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Follow-up work

Refer to INSTALLING THE OIL RETURN LINE FOR THE TURBOCHARGER .
Refer to INSTALLING CATALYTIC CONVERTER .
Refer to CONNECTING COOLANT LINE .
Refer to INSTALLING THE COMPLETE EXHAUST SYSTEM .
Refer to INSTALLING THE REAR LEFT TORSION STRUT .
Refer to INSTALLING THE REAR TUNNEL CONNECTING SUPPORT .
Refer to INSTALLING UNDERBODY PROTECTION AT REAR .
Refer to INSTALLING THE FRONT UNDERBODY PROTECTION WITH THE STIFFENING PLATE .
Refer to INSTALLING THE FRONT RIGHT WHEEL .
Refer to INSTALLING THE OXYGEN SENSOR MONITOR .
Refer to INSTALLING LAMBDA OXYGEN SENSOR .
Refer to INSTALLING CLEAN AIR PIPE .
Refer to INSTALLING FAN COWL WITH ELECTRIC FAN .
Refer to INSTALLING CROSS CONNECTION .
Refer to INSTALLING INTAKE SILENCER HOUSING .
Refer to INSTALLING INTAKE PORT .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING SECOND UPPER FIREWALL .
Refer to INSTALLING THE RIGHT WINDSHIELD PANEL COVER .
Refer to ACTIVATING VEHICLE-SPECIFIC HIGH-VOLTAGE OR LOW-VOLTAGE VEHICLE ELECTRICAL SYSTEM .
Refer to INSTALLING THE BATTERY COVER .
Refer to INSTALLING THE LEFT WINDSHIELD PANEL COVER .
Refer to INSTALLING THE REAR HOOD SEAL .
Refer to INSTALLING LEFT AND RIGHT WIPER ARM .
Refer to FILLING THE COOLANT CIRCUIT WITH THE VACUUM FILLING EQUIPMENT .
Refer to VENTING THE COOLING CIRCUIT .