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

• Feed in high pressure line (1)  and position.
• Hand-tighten the union nut (2)  on the rail (3)  .
• Hand-tighten the union nut (4)  on the high pressure pump (5)  .
• Tighten union nut (2)  on rail (3)  .
  TIGHTENING TORQUES SPECIFICATIONS
  
  

  Pressure line between rail and high pressure pump
  M14	Tightening torque	33 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Tighten the union nut (4)  on the high pressure pump (5)  .
  TIGHTENING TORQUES SPECIFICATIONS
  
  

  Pressure line between rail and high pressure pump
  M14	Tightening torque	33 Nm

• Insert and install the sound insulation (2)  .
• Connect and lock the connector (1)  .
• Make sure the connector (1)  engages audibly.

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE IGNITION COILS .
• Refer to IF INSTALLED: PARTIALLY INSTALLING ENGINE VENTILATION LINE .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to ACTIVATING VEHICLE ELECTRICAL SYSTEM .