Install catalytic converter

Prepare for the installation of the catalytic converter 

• Replace the V-ribbon clip (1).

  Parts:  V-band clamp

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• Replace gasket (1).

  Parts:  Gasket

  Courtesy of BMW OF NORTH AMERICA, INC.

• Feed in and install catalytic converter (3).
• Replace the V-clip (2).

  Parts:  V-band clamp

• Feed in and install V-band clamp (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Replace the screw (1).

  Parts:  Screw

• Position the bolt (1).
• Replace nut (2).

  Parts:  Nut

• Position the nut (2).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Position the catalytic converter (3).
• Position V-clip (2).
  NOTE: Make sure the V-ribbon clip is installed in the correct position.
• Tighten down screw (1).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Catalytic converter/gasoline particulate filter to exhaust turbocharger
  V-band clamp Replace V-band clamp.	Tightening torque	13 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Tighten down screw (1).
• Position the bolt (1).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Catalytic converter to holder
  M8 Replace screw.	Tightening torque	19 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Tighten nut (2).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Catalytic converter to holder
  M8 Replace nut.	Tightening torque	19 Nm

• Feed in and install the heat shield (2).
• Tighten nuts (1).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Heat shield to body
  Nut	Tightening torque	3 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• 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 INSTALL THE CONNECTING SUPPORTS ON THE TUNNEL
• Refer to INSTALLING THE OXYGEN SENSOR MONITOR .
• Refer to INSTALLING LAMBDA OXYGEN SENSOR .
• Refer to INSTALL THE CYLINDER HEAD COVER ACOUSTIC COVER
• Refer to INSTALL ACOUSTIC COVER .