BMW 7 Owners & Service Manuals
BMW 7 Series (F01/F02) 2008-2015 Service Manual / Cooling System / Engine Radiator With Attachment / Removing And Installing/Replacing Feed And Return Lines For Engine Oil Cooler (N63)

BMW 7 Series: Removing And Installing/Replacing Feed And Return Lines For Engine Oil Cooler (N63)

WARNING: Risk of scalding! Only perform this repair work after engine has cooled down.

IMPORTANT: Wear protective gloves and safety goggles.

IMPORTANT: Adhere to conditions of absolute cleanliness when performing repair work on 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 pipe is released.

Catch and dispose of emerging engine oil.

Observe country-specific waste disposal regulations.

Necessary preliminary work

  • Lower FRONT AXLE SUPPORT.
  • Remove WHEEL ARCH PANEL front section on right.

Release screw (1).

Tightening torque 17 22 4AZ.

Release screw (2).

Tightening torque 17 22 5AZ.

Remove engine oil pipes from oil filter control housing and oil sump.

Catch and dispose of emerging oil.

Engine Radiator With Attachment
Fig. 49: Identifying Engine Oil Pipes Mounting Screws

Installation note: Replace all sealing rings of engine oil pipes! Release screw (1).

Tightening torque 17 22 6AZ

Engine Radiator With Attachment
Fig. 50: Identifying Engine Oil Pipes Mounting Screw

Release screw (1).

Tightening torque 17 22 6AZ.

Unlock engine oil pipes (3) and detach from engine oil cooler (4).

Feed out engine oil pipes (3) and remove.

Catch and dispose of emerging oil.

Engine Radiator With Attachment
Fig. 51: Identifying Engine Oil Cooler With Engine Oil Pipes And Mounting Screw

NOTE: After completion of repair work, check engine oil level. Refill if necessary.

Check engine oil pipes for tightness.

REMOVING AND INSTALLING/REPLACING INTERCOOLER EXPANSION TANK (N63)

IMPORTANT: Danger of scalding! Only perform this work after engine has cooled down.

Necessary preliminary tasks

  • Remove ACOUSTIC COVER
  • Drain coolant for intercooler

Release screws (1).

Tightening torque 17 10 7AZ.

Release coolant hoses (2) from expansion tank (3) and detach.

Installation: Replace faulty clamps.

Remove expansion tank (3).

Engine Radiator With Attachment
Fig. 52: Identifying Intercooler Expansion Tank With Coolant Hoses And Mounting Screws

Assemble engine.

After completing work, fill intercooler with coolant.

Vent COOLING SYSTEM for intercooler.

Check cooling system for intercooler for leaks.

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