Ye Olde Wheel Shop is pretty good. I had a larger curb rash on one of my M Coupe's wheels and they made it look brand new. Not sure if they always work this way, but I drove to Tischer where they had a truck set up in the back to do the work.
2008 Space Gray E70 X5 4.8i
2009 Melbourne Red E92 M3 (Gone, but not forgotten)
2007 Black Sapphire Metallic E86 Z4 M Coupe (Gone, but not forgotten)