Replacing the left cylinder head cover

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

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screws (2).
Remove camshaft position sensors (1).

Courtesy of BMW OF NORTH AMERICA, INC.

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

Courtesy of BMW OF NORTH AMERICA, INC.

Result

» O-ring (1) damaged.

Measure
- Replace O-ring (1).
Parts: O-ring

Result

» O-ring (1) not damaged.

Measure
- Continue the repair.
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

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten down screws (1).

TIGHTENING TORQUE SPECIFICATIONS

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

Courtesy of BMW OF NORTH AMERICA, INC.