Install the high-pressure line between the high-pressure rail and the high-pressure pump

• Thread in and install the high pressure line (3)  .
• Tighten union nut (1)  hand tight.
• Tighten union nut (1)  .
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  High pressure line between the rail and the high pressure pump
  M14x1.5	tightening torque	33 Nm

• Tighten down screw (2)  .

  Courtesy of BMW OF NORTH AMERICA, INC.

  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Fuel line to cylinder head cover
  6x18	tightening torque	7 Nm

• Check fuel system for leak tightness.

Follow-up work 

• Refer to INSTALLING THE IGNITION COILS .
• Refer to INSTALLING THE SERVICE OPENING IN SOUND INSULATION ON TOP OF ENGINE .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to ACTIVATING ELECTRICAL SYSTEM .