Thanks, all, for the input.
I didn't even know the headlights could be covered. Nice.
This is one of those things that, because it apparently works so well, most people do not have a clue that the front of cars are coated with these. I had no idea until recently a few people told me and I looked closely at their cars.
M3 Cabriolet; Le Mans Blue Metallic.
. . . .Munich . . . >. . . .Houston
When one wants a cabriolet, is there really any other choice than an M3? No. No, there's not.