Installing exhaust turbocharger

Further information is available.

• 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 

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  Screw-in depth of upper stud bolts on cylinder head
  	Dimension A
  	30 mm

  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) viscosity 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 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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• 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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• 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

  Perform initial filling with the additive when replacing the exhaust turbocharger 

  NOTE: RISK OF DAMAGE 
  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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• Fill additive (1) in the bore (2) of the oil feed line.

  Consumable 

  Exhaust turbocharger	17 ml,	83192457276
  additive, gasoline MSP	Tube

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

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  TIGHTENING TORQUES SPECIFICATION
  
  

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

• 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).

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  TIGHTENING TORQUES SPECIFICATION
  
  

  Heat shield to cylinder head
  M8 x 12	Tightening torque	19 Nm

• Feed the heat shield (2) into the marked  area and install it.
• Tighten down screw (1).

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  TIGHTENING TORQUES SPECIFICATION
  
  

  Heat shield to cylinder head
  M8 x 12	Tightening torque	19 Nm

• Tighten down screw (1).

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  TIGHTENING TORQUES SPECIFICATION
  
  

  Heat shield to trim strip
  M6 x 12	Tightening torque	8 Nm

Follow-up work 

• Refer to INSTALLING THE OIL RETURNING LINE FOR THE EXHAUST TURBOCHARGER .
• Refer to INSTALLING THE COOLANT RETURNING 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 IF INSTALLED: INSTALL THE TORSION STRUT ON THE RIGHT, AND ON THE LEFT WHERE REQUIRED .
• Refer to INSTALLING THE REAR AXLE COVER .
• 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 AND VENTING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to INSTALLING THE REAR THRUST FIELD .
• Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
• Refer to INSTALLING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
• Refer to CHECKING ENGINE OIL LEVEL .
• Refer to TAKING HOOD OUT OF THE SERVICE POSITION .