Oxidized rims
 

Is there any hope for these rims? Looks like they have oxidized, what can I do to get rid of the "flowers"?

https://cimg1.ibsrv.net/gimg/5series...16aa9e7fc2.jpg

If its just oxidation, basically anything at the auto parts store can get rid of it. If not, then you'll need to lightly sand it.