Originally Posted by ca.detailchick
It depends on what stage clearcoat failure it is. If its the beginning and just a little cloudy you can still revive the clearcoat with polishing. But it wont be long (few months or less)before it starts to look cloudy and dull again.
Customers would need to know its just a temporary fix and the begginning of the end.
If the clearcoat is already lifting I would leave it alone.
What ^ she^ said
Look for some of my threads with a black bmw 3 series, I had luck with black hole and a good wax. but it is temp at best