Audi a5 2.0T - What is the metal plate beneath the oil filler cap - The00

What is the metal plate beneath the oil filler cap on the Audi 2.0T engine?

Audi a5 2.0T - What is the metal plate beneath the oil filler cap - elekie&a/c doctor
A protection shield to prevent anything being pushed into the valve camshaft mechanism when filling with oil
Audi a5 2.0T - What is the metal plate beneath the oil filler cap - jc2

And to stop oil being slung up to the underside of the cap.

Audi a5 2.0T - What is the metal plate beneath the oil filler cap - The00

Great, thanks. How does it fit, and could it be dislodged?