i noticed this the other day....well the other week shortly after i got it..
the alloys are in good nick with hardly a scuff in sight however;
i have a few areas on some of the wheels that look like... i suppose a tea stain would be the best description..
it has no texture to it so it almost seems like it is in the metal itself..
i tried (on a small area) cleaning it with some turtle wax wheel cleaner stuff....and this has absolutely no effect other than stinging my eye when i splashed some it it....i think hydrochloric acid is bad for your eyes isnt it ?
any ideas folks ????