Install the coolant return line for the exhaust turbocharger

• Replace O-rings (1) on coolant return line (2) with special tool 0 496 714 (00 9 030). 

  Parts:  O-rings

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• Replace O-ring (1) on coolant feed line (2) with special tool 0 496 714 (00 9 030). 

  Parts:  O-ring

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• Insert and position the coolant return line (1) for the exhaust turbocharger.

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• Connect the coolant return line (1) for the exhaust turbocharger and lock.
• Make sure that the coolant return line (1) for the exhaust turbocharger engages audibly.

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• Insert and install the coolant return line (4) for the exhaust turbocharger.
• Insert and install the coolant feed line (2) for the exhaust turbocharger.
• Tighten down screw (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

  TIGHTENING TORQUES SPECIFICATION
  
  

  Coolant feed line/coolant return line to exhaust turbocharger
  M6 x 12	Tightening torque	8 Nm

• Tighten down screw (3).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Coolant return line holder to exhaust turbocharger
  M6	Tightening torque	8 Nm

Follow-up work 

• 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 FILLING AND VENTING THE 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 .