Install catalytic converter

• Replace the V-clip (1).

  Parts:  V-band clamp

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• Replace the seal (1).

  Parts:  Seal

  Courtesy of BMW OF NORTH AMERICA, INC.

• Feed in and install catalytic converter.
• Lock clamp (1).

  Clamp (1) must engage audibly.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Tighten V-clip (1).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Catalytic converter to exhaust turbocharger
  V-band clamp Replace V-band clamp.	Tightening torque	19 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Replace nuts (1).

  Parts:  Nuts

• Tighten nuts (1).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

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

  Courtesy of BMW OF NORTH AMERICA, INC.

  NOTE: The following step(s) must be performed if the specified component(s) is/are installed.
• Replace pressure hose (1)

  Parts:  Pressure hose

• Insert the pressure hose (1) in the arrow direction all the way to the stop,

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• 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 STIFFENING PLATE .
• 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 THE TENSION STRUT ON THE RIGHT SHOCK TOWER .
• Refer to INSTALLING ACOUSTIC COVER .