11 15 140 Replacing oil separator (N63 O1)

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Necessary preliminary work:

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

Removal:

Release screws in the sequence 4 - 1 .

Remove the oil separator with the distributor.

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

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

NOTE: Ensure that the oil separator gasket (1) is correctly installed in distributor (2).

Fig 2: Identifying Oil Separator Gasket And Distributor

Courtesy of BMW OF NORTH AMERICA, INC.

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!

NOTE: Ensure gasket (1) is correctly installed between the oil separator and the channel.

Fig 3: Identifying Gasket

Courtesy of BMW OF NORTH AMERICA, INC.

Install the oil separator with duct.

Parts: Replace screws.

Tighten screws in the sequence 1 - 4 .

Tightening torque 11 12 11AZ .

Required follow-up work:

Installing cylinder head cover

Fig 4: Oil Separator Bolts Tightening/Loosening Sequence (N63 O1)

Courtesy of BMW OF NORTH AMERICA, INC.