Installing the screw plug on the cylinder head

• Clean the thread (1)  with the brake cleaner.
  CONSUMABLE SPECIFICATIONS
  
  

  Brake cleaner 2.0	500 ml, Spray can	83192365214
  	20, Canister	83192365215

  Courtesy of BMW OF NORTH AMERICA, INC.

• Replace the screw plug (1)  and the sealing ring (2)  .

  Parts:  Screw plug, sealing ring

Courtesy of BMW OF NORTH AMERICA, INC.

• Wet the screw plug (1)  in area (A)  with the screw locking agent.
  ADHESIVE SPECIFICATIONS
  
  

  Screw lock Loctite Stick 243, medium strength

  10 ml, Bottle

  83192210339

  Courtesy of BMW OF NORTH AMERICA, INC.

• Position the sealing ring (2)  correctly.
• Insert and install the screw plugs (1)  .
• Tighten the screw plug (1)  with a snug torque.
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Screw plugs on cylinder head
  M28X1.5 Replace the screw plugs. Wet the screw plugs with Loctite. (Loctite 243)	Tightening torque	25 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Remove the excess screw locking agent (1)  .

  Courtesy of BMW OF NORTH AMERICA, INC.

• Attach the mark (1)  to the screw plug (2)  .
• Attach the mark (3)  to the cylinder head (4)  .

  Courtesy of BMW OF NORTH AMERICA, INC.

• Tighten oil drain plug (1)  .
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Screw plug on cylinder head
  M28X1.5	Angle of rotation	60°

• The marks (1)  and (2)  must align.

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to PREPARING FOR THE INSTALLATION OF THE EXHAUST TURBOCHARGER .
• Refer to INSTALLING EXHAUST TURBOCHARGER .
• Refer to INSTALLING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
• Refer to INSTALLING CATALYTIC CONVERTER .
• Refer to INSTALLING THE COMPLETE EXHAUST SYSTEM .
• Refer to INSTALLING THE REAR DIFFUSER .
• Refer to INSTALLING THE TORSION STRUT ON THE REAR LEFT AND RIGHT .
• Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
• Refer to INSTALLING THE OXYGEN SENSOR MONITOR .
• Refer to INSTALLING LAMBDA OXYGEN SENSOR .
• Refer to INSTALLING THE COOLANT LINE BETWEEN THE CYLINDER HEAD AND THE COOLANT PUMP .
• Refer to INSTALLING CHARGE AIR LINE .
• Refer to INSTALLING BOTTOM CLEAN AIR PIPE .
• Refer to INSTALLING THE RESONATOR WITH THE TOP CLEAN AIR PIPE .
• 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 UPPER CROSS CONNECTION .
• Refer to INSTALLING BOTH FRONT-END STRUTS .
• Refer to INSTALLING THE CENTER ENGINE COMPARTMENT COVER .
• Refer to OBSERVING THE HARDENING TIME OF THE SCREW LOCKING AGENT ON THE SCREW PLUG .
• Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
• Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
• Refer to CHECKING ENGINE OIL LEVEL .
• Refer to INSTALLING THE COVER OF THE STEERING ASSEMBLY .
• Refer to INSTALLING THE FRONT BOTTOM LEFT AND RIGHT COVER .
• Refer to INSTALLING FRONT UNDERBODY PROTECTION .
• Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
• Refer to INSTALLING THE STIFFENING PLATE .
• Refer to INSTALLING UNDERBODY PROTECTION AT REAR .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to TAKING HOOD OUT OF THE SERVICE POSITION .