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 TORQUES SPECIFICATION
  
  

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

  Courtesy of BMW OF NORTH AMERICA, INC.

• Tighten down screw (2).
  TIGHTENING TORQUES SPECIFICATION
  
  

  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 INSTALL ACOUSTIC COVER .
• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .