I would only recommend California Purple Polish. Used by the Pros to maintain aluminum on semis and show cars.
Mothers is no comparison. I used to use Flitz for the tough stuff.
http://www.californiacustom.com/purp...al_polish.html
If you have old wheels that have been sitting around, use their de-oxidizer first.
Most effortless and brightest polish I have used in 25 years.