Installing exhaust turbocharger

• Check screw-in depth (A) of upper stud bolts (1); if necessary, continue screwing in stud bolts or unscrew.
  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 (1) on the cylinder head using special tool 0 495 102 (11 4 470). 

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• Replace seals (1).

  Parts:  Gasket

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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.
• Clean the sealing surfaces on the exhaust turbocharger (1) using special tool 0 495 102 (11 4 470). 

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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.

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• Insert and install the exhaust turbocharger (1).
• Protect the exhaust turbocharger (1) from falling.
• Replace the nuts (1) and screws (2).

  Parts:  Nut and screws

• Insert the nuts (1) and screws (2).
  NOTE: Insert the screws in steps of 360 degrees.
• Tighten the nuts (1) and screws (2).

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  TIGHTENING TORQUES SPECIFICATION
  
  

  Exhaust turbocharger to cylinder head
  M7 Replace screws. Replace nuts.	1. Joining torque  2. tightening torque  3. tightening torque	5 Nm 18 Nm 18 Nm

• Feed in and install the heat shield (2).
• Replace screws (1).

  Parts:  screw

• 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:  screw

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

  Exhaust turbocharger support to crankcase
  M8x20 Replace screws.	tightening torque	19 Nm

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• Tighten down screw (1).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Exhaust turbocharger to support
  M8x25 Replace screw.	tightening torque	19 Nm

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

  Parts:  Sealing rings

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• Feed in and install the coolant feed line for the exhaust 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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• Using the special tool 0 496 714 (00 9 030),  replace the sealing ring (2) on the oil feed line for the exhaust turbocharger.

  Parts:  Sealing rings

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

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

  Engine oil 

  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
  M6x12 Replace sealing ring.	tightening torque	8 Nm

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

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Follow-up work 

• Refer to INSTALLING THE OIL RETURNING LINE FOR THE 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 IF INSTALLED: INSTALL THE TORSION STRUT ON THE RIGHT, AND ON THE LEFT WHERE REQUIRED .
• Refer to INSTALLING THE OXYGEN SENSOR MONITOR .
• Refer to INSTALLING LAMBDA OXYGEN SENSOR .
• Refer to INSTALL CHARGE AIR LINE .
• Refer to INSTALLING BOTTOM CLEAN AIR PIPE .
• Refer to INSTALLING THE RESONATOR WITH THE TOP CLEAN AIR PIPE .
• Refer to INSTALLING THE INTAKE FILTER HOUSING (TENSION STRUT REMOVED ON SHOCK TOWER) .
• Refer to INSTALLING FAN COWL .
• Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
• Refer to INSTALLING FRONT CROSS CONNECTION .
• Refer to INSTALLING BOTH FRONT-END STRUTS .
• Refer to INSTALLING THE COVER ON THE LEFT AND RIGHT IN THE ENGINE COMPARTMENT AT THE TOP .
• Refer to FILLING AND VENTING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
• Refer to CHECKING ENGINE OIL LEVEL .
• Refer to INSTALLING THE COVER OF THE STEERING ASSEMBLY .
• Refer to INSTALLING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
• Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
• Refer to INSTALLING THE THRUST FIELD .
• Refer to INSTALLING REAR UNDERBODY PROTECTION .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to TAKING HOOD OUT OF THE SERVICE POSITION .