I have a random question. My girlfriend drives a 2008 A3 and it has some very odd issues with the paint. It's black and there was a bunch of spots I noticed on the passenger front fender. I looked at them up close and noticed not only is the paint gone completely, it's down to the metal! It looks like acid or something extremely fatal to paint was splattered on the car. The weird thing though is that there's no running or dripping of the spots, it's just a bunch of isolated dots.

Any ideas what this could be? Is there a common quality issue with the paint of the A3? She paid for a "paint wear warranty" which the dealer said this issue is not covered (am I surprised?). Apparently they only cover things like parking lot scratches and tree sap, etc, and they claim they have no idea what could have caused these blemishes. The only thing it looks like to me is something like battery acid, but I have no idea how this could be!

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2001 X5 4.4i
2002 Honda S2000