Haven't noticed any chips, but last time they put Adblue in they spilled it all over the quarterpanel... and when it dries it turns sort of white and crusty looking.
Fortunately it just comes right off with water (I always decline the dealer wash).
2011 335d / Deep Sea Blue / Saddle brown / sport / premium
2008 BMW 135i / 6MT
2002 Z06 Corvette