The paint sure is crap. I had bird poo on mine, must have been 4hrs max. Tried cleaning it off, but has marked the clear coat.
My car was waxed as well.
F30 330d M Sport
Black Sapphire/Black Dakota/DAB/Folding Mirrors/Sunroof/Heated Seats/HiFi Upgrade/Prof Media Pack/Vis Pack and LOVING every minute of it!!