Replace the right cylinder head cover

• Loosen screws (1).
• Remove the sealing cap (2).
• Replace O-ring (3).

  Parts:  O-ring

• Position the sealing cap (2).
• Tighten down screws (1).

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  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Sealing cap on cylinder head cover
  M6x25 screw	tightening torque	10 Nm

• Remount clamps (1) on the cylinder head cover (2).

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• Loosen screws (2).
• Remove camshaft position sensors (1).

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Check 

• Check O-rings (1) on the camshaft position sensors for damage.

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  Result 

  » O-ring (1) damaged

  Measure

  • Replace O-ring (1).

  Parts:  O-ring

  Result 

  » O-ring (1) not damaged.

  Measure

  • Continue the repair in the next step.
• Coat O-ring of camshaft position sensor with engine oil.
• Position camshaft position sensors (1).
• Tighten down screws (2).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Camshaft position sensor to cylinder head cover
  Torx screw M6	Tightening torque	8 Nm

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• Version A: 

  Loosen screws (1).

• Version A: 

  Remove liquid-vapor separator (2).

• Version A: 

  Position the liquid-vapor separator (2).

• Version A: 

  Tighten down screws (1).

  Courtesy of BMW OF NORTH AMERICA, INC.

  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Oil separator to cylinder head cover
  M6 screw	tightening torque	10 Nm

• Version B: 

  Loosen screws (1).

• Version B: 

  Remove liquid-vapor separator (2).

• Version B: 

  Position the liquid-vapor separator (2).

• Version B: 

Tighten down screws (1).

Courtesy of BMW OF NORTH AMERICA, INC.