Installing exhaust turbocharger

• 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.

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

Courtesy of BMW OF NORTH AMERICA, INC.

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

  Courtesy of BMW OF NORTH AMERICA, INC.

  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) .
• Replace the seal (1)  .

  Courtesy of BMW OF NORTH AMERICA, INC.

  Parts:  Seals

  Courtesy of BMW OF NORTH AMERICA, INC.

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

  Courtesy of BMW OF NORTH AMERICA, INC.

• Replace the O-ring (1)  on the oil feed line (2)  for the exhaust turbocharger using special tool 0 496 714 (00 9 030) .

Parts:  O-ring

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

Courtesy of BMW OF NORTH AMERICA, INC.

Engine oil 

Technically suitable engine oils for BMW Group engines 

• Insert the exhaust turbocharger (2)  and position it.
• Feed in the oil feed line (1)  for the exhaust turbocharger and position it on the exhaust turbocharger (2)  .

Courtesy of BMW OF NORTH AMERICA, INC.

• Insert and install the exhaust turbocharger (1)  .

Courtesy of BMW OF NORTH AMERICA, INC.

• Mount the sliding bar (1)  .

• The original BMW part number of the sliding rail (1)  must be legible from the rear.

  Courtesy of BMW OF NORTH AMERICA, INC.

  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 (5)  .

    Parts:  Nuts

  • Tighten the nuts in the sequence (1)  to (5)  .
  Fig 1: Exhaust Manifold/Exhaust Turbocharger Nuts Tightening Sequence

  Courtesy of BMW OF NORTH AMERICA, INC.
  TIGHTENING TORQUE 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).

  Courtesy of BMW OF NORTH AMERICA, INC.

  • Fill additive (1)  in the bore (2)  of the oil feed line.
  CONSUMABLE DESCRIPTION
  
  

  Exhaust turbocharger additive, gasoline MSP

  17 ml, Tube

  83192457276

  • Feed in and install the oil feed line (2)  for the exhaust turbocharger.
  • Tighten down screw (1)  .
  TIGHTENING TORQUE SPECIFICATION
  
  

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

  Courtesy of BMW OF NORTH AMERICA, INC.

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

    Courtesy of BMW OF NORTH AMERICA, INC.

  • Feed in and install the heat shield (2)  .
  • Tighten down screws (1)  .
  TIGHTENING TORQUE SPECIFICATION
  
  

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

  Courtesy of BMW OF NORTH AMERICA, INC.

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

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

  Courtesy of BMW OF NORTH AMERICA, INC.

  • Tighten down screw (1)  .

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

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
• Refer to INSTALLING THE COOLANT RETURN LINE FOR THE EXHAUST TURBOCHARGER .
• Refer to INSTALLING THE COOLANT FEED 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 INSTALLING LAMBDA OXYGEN SENSOR .
• Refer to INSTALLING ACOUSTIC COVER AT REAR .
• Refer to INSTALLING THE FRONT HOOD SEAL AT THE REAR .
• Refer to INSTALLING THE ACOUSTIC COVER FOR THE ENGINE AT THE FRONT .
• Refer to INSTALLING CHARGE AIR LINE .
• Refer to INSTALLING THE CLEAN AIR PIPE WITH THE RESONATOR .
• Refer to INSTALLING INTAKE FILTER HOUSING .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
• Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
• Refer to INSTALLING THE COVER OF THE STEERING ASSEMBLY .
• Refer to IF INSTALLED: INSTALL UNDERBODY PROTECTION FOR THE STEERING .
• Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR .
• Refer to INSTALLING THE CENTER UNDERBODY PROTECTION .
• Refer to INSTALLING FRONT UNDERBODY PROTECTION .
• Refer to CHECKING ENGINE OIL LEVEL .
• Refer to TAKING HOOD OUT OF THE SERVICE POSITION .