Originally Posted by BMWforLife
how is it on glass? it says right on it not recommended for use on glass lol
lol, not good, but note really worth it for the front, but great for rear and sides as I think the wiper blades will wear them out eventually..
I didnt do it myself, got a detailer to do it (with a opticoat staff advising him). That said, I did opticoat my shower glass panels, and they bead water like a champ now