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.

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.

Fig. 80: Identifying Engine Oil Pipes Mounting Screws

Installation note:

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

Tightening torque 17 22 6AZ.

Fig. 81: Identifying Engine Oil Pipes Mounting Screws

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.

Fig. 82: Identifying Engine Oil Cooler With Engine Oil Pipes And Mounting Screws

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

Check engine oil pipes for tightness.

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