Get some IronX. Its for dissolving iron contaminants off paint / glass so should be safe for your calipers. I've used it on 3 piece wheels safely as...
Unfortunately fresh off the truck RARELY means no correction needed. A local BMW dealer washed a clients new 1M ONCE before delivery and it required...
I've used AutoGlym Car Glass Polish with my DA with great success. If using the Carpro stuff, be aware that it may cause hazing which will need to be...
If I can add one thing. For me it's not the speed so much as the ease of use. The Rupes is so smooth that correction work is as effortless as it can...