Test me on a product and I have most like tried it on my BSM. Interesting I fully agree Backfire Wet diamond is about the best top coat, better if you add a real wax ( I must have a $750 collection of waxes!) on top of it.
In the end I really now use three brands of products Chemical Guys, Black Fire, and Menzerna inside and out. The FLEX XC 3401 is my go to tool.
And yes it is some very soft paint... be careful how you wash and dry it.
https://www.flickr.com/photos/bmill4...57631360902412