Installing turbocharger

• Check stud bolts (1) for damage and, if necessary, replace stud bolts (1).
• Check insertion depth (A) of stud bolt (1).
  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.

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• Clean the sealing surfaces (1) on the cylinder head using special tool 0 495 102 (11 4 470) .
• Replace seals (1).

  Parts:  Seal

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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.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Clean the sealing surfaces on the exhaust turbocharger (1) using special tool  0 495 102 (11 4 470)  .
  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 turbocharger (1).
• Protect the turbocharger (1) from falling.
• When replacing nut (1), use the changed version of nut (2).

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  Courtesy of BMW OF NORTH AMERICA, INC.

• Replace nuts (1).

  Parts:  Nuts

• Insert the nuts (1).
  NOTE: Insert nuts in 360 degree increments.
• Tighten nuts (1).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Exhaust turbocharger to cylinder head
  M7 Replace nuts.	1  . Snug 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:  Screws

• Tighten down screws (1).
  TIGHTENING TORQUES SPECIFICATION
  
  

  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:  Screws

• Feed in the support (3) and position it.
• Tighten down screws (2).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Exhaust turbocharger support to crankcase
  M8x20 Replace screws.	19 Nm

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• Tighten down screw (1).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Exhaust turbocharger to support
  M8x25 Replace screw.	19 Nm

• Replace the sealing rings (1) on the coolant feed line (2) for the turbocharger using the special tool 0 496 714 (00 9 030) .

  Parts:  Sealing ring

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• Feed in and install the coolant feed line for the turbocharger (3).
• Tighten down screw (1).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Coolant feed line to crankcase
  M6X12	tightening torque	8 Nm

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• Tighten down screw (2).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Coolant feed line to crankcase
  M6X12	tightening torque	8 Nm

• Tighten down screw (1).
  TIGHTENING TORQUES SPECIFICATION
  
  

  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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• Replace the sealing ring on the oil feed line (2) for the turbocharger with the special tool  0 496 714 (00 9 030)  .

  Parts:  Sealing ring

  NOTE: TECHNICAL INFORMATION 
  Observe the sign in the engine compartment! Only fill with approved engine oil of the correct (Society of Automotive Engineers) vis grade.
• Fill the oil feed line (2) for the turbocharger up to the edge with engine oil.
  ENGINE OIL SPECIFICATION
  
  

  Technically suitable engine oils for BMW Group engines

• Insert and install the oil supply line (2).
• Tighten down screw (1).
  TIGHTENING TORQUES SPECIFICATION
  
  

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

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

Courtesy of BMW OF NORTH AMERICA, INC.

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE OIL RETURN LINE FOR THE 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 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 .