I also bought a replacement fuel cap
Mine is mottled somehow - i saw someone was breaking a car the same colour as mine and bought the fuel cap
Mine
And the new one (this one has a small mark on the lacquer
The colour match is pretty close - with it being metallic it makes it hard so will see how it polishes up.
Really easy swap thoigh
1 x large Philips inside the recess and 2 on the hinge attaching to the body
5 min job
JJ