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.
2009 Melbourne Red E92 M3 (Gone, but not forgotten)
2007 Black Sapphire Metallic E86 Z4 M Coupe (Gone, but not forgotten)