Install the coolant return line for the exhaust turbocharger

• Using the special tool 0 496 714 (00 9 030)  , replace the sealing rings (1) on the coolant return line (3).

  Parts:  Sealing rings

• Check the sealing rings (2) on the coolant return line (3) for damage; if necessary replace the coolant return line (3).

  Courtesy of BMW OF NORTH AMERICA, INC.

• Using the special tool 0 496 714 (00 9 030)  , replace the sealing ring (1) on the oil feed line (2) for the exhaust turbocharger.

  Parts:  Sealing ring

  Courtesy of BMW OF NORTH AMERICA, INC.

• Insert and position the coolant return line (2) for the exhaust turbocharger.
• Insert and install oil feed line (1) for the exhaust turbocharger.
• Feed in and install the coolant return line (2) for the exhaust turbocharger.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Feed in screw (1) with special tool 2 470 546  and tighten hand-tight.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Position special tool 2 470 546  on the screw (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

  NOTE: TECHNICAL INFORMATION 
  When using special tools that extend the lever arm of the torque wrench, the setpoint torque deviates from the adjustable torque.
  NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.
• Converting the setpoint torque into the adjustable torque: 

  (setpoint torque x L1): L2 = adjustable torque

  L1 = length from the center of the grip to the reversible ratchet head

  L2 = length from the center of the handle to the engaging of the special tool in the bolt

  Courtesy of BMW OF NORTH AMERICA, INC.

• Tighten screw (1) with the special tool 2 470 546  .
  TIGHTENING TORQUES SPECIFICATION
  
  

  Coolant return line/oil feed line to exhaust turbocharger
  M6 x 12	tightening torque	8 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

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

  Courtesy of BMW OF NORTH AMERICA, INC.

• Tighten down screw (1).

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING BOTTOM CLEAN AIR PIPE .
• Refer to INSTALLING CLEAN AIR PIPE, TOP .
• Refer to INSTALLING THE INTAKE FILTER HOUSING (TENSION STRUT REMOVED ON SHOCK TOWER) .
• Refer to INSTALLING FAN COWL .
• Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
• Refer to INSTALLING FRONT CROSS CONNECTION .
• Refer to INSTALLING BOTH FRONT-END STRUTS .
• Refer to INSTALLING THE COVER ON THE LEFT AND RIGHT IN THE ENGINE COMPARTMENT AT THE TOP .
• Refer to FILLING AND VENTING THE HIGH-TEMPERATURE COOLANT CIRCUIT .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to INSTALLING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
• Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
• Refer to INSTALLING THE CENTER UNDERBODY PROTECTION .