I got the paint for my car from amazon. I'll try and find you the link if you like Chris.
Just took my time and primered, three layers of moonrock then two layers of lacquer. Looks decent enough.
Entire UK quote is already sold I believe anyway, so importing would be the only route!
They need ambients of 20C for 55mpg+
Cold weather kills diesel economy as they take forever to warm up.
Oil should be 0W-30 A5/B5 for non DPF. DPF need 0w-30 C2 oils. Either is fine for top up.
As it stands, and if its legit in that spec, that's an £8k+ car.
I would ask why the wheels aren't correct as well as inspect it for crash damage as it screams sly accident repair imho.