11 15 140 Replace oil separator (N63)

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Necessary preliminary tasks:

Remove cylinder head cover. See REMOVING LEFT CYLINDER HEAD COVER or REMOVING RIGHT CYLINDER HEAD COVER .

Removal:

Fig 1: Oil Separator Bolts Tightening/Loosening Sequence (N63)

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws in the sequence 3 - 1 .

Remove oil separator.

Illustration: Cylinders 5 to 8.

Installation:

IMPORTANT: Risk of damage!
All engine oil and contamination must be removed from all threaded holes.
Compliance with torque specifications for screw connections is mandatory!

Fig 2: Oil Separator Bolts Tightening/Loosening Sequence (N63)

Courtesy of BMW OF NORTH AMERICA, INC.

Install the oil separator with duct.

Parts: Replace screws.

Tighten screws in the sequence 1 - 3 .

Tightening torque 11 12 11AZ .

Required follow-up work:

Install cylinder head cover