For the do-it-yourself approach wurth is the only way to go.
The paint is a perfect match for the limited/base wheels, and many other euro cars.
I haven't done my xf wheels yet but just completed the refinishing of a set of super aero's for my classic 900 turbo.
I found it best to have a light duty fan nearby to suck away the overspray or the metal flake tends to build up a rough texture...

Just be sure to take a look at the video mentioned above and take your time on the prep work.