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Home >> BMW >> 2013 >> 740Lxi >> Repair and Diagnosis >> External Pages >> Different car >> Section 393 (Cooling System - Repair) >> Engine Radiator With Attachment >> 17 11 150 Removing and installing/replacing engine oil cooler (N54, N63, B40/44 0/1)

17 11 150 Removing and installing/replacing engine oil cooler (N54, N63, B40/44 0/1)

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Necessary preliminary tasks 

WARNING: Risk of scalding!
Only perform this repair work after engine has cooled down.
IMPORTANT: Wear safety goggles and protective gloves.
IMPORTANT: Adhere to conditions of absolute cleanliness when repairing the engine oil circuit.
When removing engine oil pipes and engine oil cooler, seal off all openings with suitable plugs.
To avoid engine damage, do not allow any dirt particles to get into the engine oil circuit.

Recycling 

Engine oil escapes when the engine oil pipes are released. Catch and dispose of emerging engine oil.

Observe country-specific waste disposal regulations.

Release screw (1).

On N54,  release clamp.

Tightening torque 17 22 6AZ .

Release screw (2).

Tightening torque 17 22 8AZ .

Unlock engine oil pipes (3) and detach from engine oil cooler flange.

Seal off engine oil cooler flange and engine oil lines.

Catch and dispose of emerging oil.

Remove engine oil cooler (4).

Fig 1: Identifying Engine Oil Cooler, Pipes And Mounting Screws
G06889281Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Check the engine oil level after repair work is completed. Top up engine oil if necessary.