11 15 140 Replacing oil separator (N63)

Necessary preliminary tasks:

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

Removal:

Release screws in the sequence 3 - 1 .

Remove oil separator.

Illustration: Cylinders 5 to 8.

Fig 1: Oil Separator Bolts Tightening/Loosening Sequence (N63, N63 O1)

Courtesy of BMW OF NORTH AMERICA, INC.

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!

Install the oil separator with duct.

Parts: Replace screws.

Tighten screws in the sequence 1 - 3 .

Tightening torque 11 12 11AZ .

Fig 2: Oil Separator Bolts Tightening/Loosening Sequence (N63, N63 O1)

Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work:

Install cylinder head cover