Search decontamination in some of the detailing forums like autogeek or detailedimage and you will find hundreds of tips and tricks.
Claying will produce marring on BSM no matter how you cut it and it must be followed with some light to heavy polishing.
A Griot's Garage 3rd gen dual action polisher with Lake Country orange cutting pad with Menzerna Fast Gloss 400 is guaranteed to have perfect results on a BSM.
Add Menzerna 4500 on white or black Lake Country polishing pad and your paintwork will look spectacular.
For protection, use Menzerna Power Lock will give you enough protection for a few months or so.
If you like your paint to look deep and wet, Einszett 1Glanz wax is deadly on black paintwork.
...if you have 20-24 hours of spare time
