My MS6 wheels are a bi*%h to clean :swearin: . Ive tried black magic wheel cleaner and dupont wheel cleaner. These are supposed to be spray and wash ... :laugh: nothing spray and wash about them. anybody have a good product that will assist in the cleaning and provention of the accumulation. ive heard of "brake dust shields"?? do these exsist and if so how do they work and will the affect performance? all response is appreciated!