This may sound controversial but ...
A few of us on the French trip noticed varying degrees of stone chips and I, coupled with some of my own observations, came up with the following theory - which seems to make sense but am not researched enough to explain why ...
It would seem that OEM paint is much more able to withstand stone chips. Bumpers or aread which have been painted seem to be more prone to stone chips. My car has not had its bumper re-sprayed (apart from a small section I did myself) and it is notable that this re-sprayed area has picked up significantly more stone chips. This also seemed to occur more on other cars which had re-sprayed front bumpers although Stevos car seemed to fair up pretty well.
Here is a picture of my front bumper with an area of denser stone chips the same size as an area which was re-painted ...
Martin
A few of us on the French trip noticed varying degrees of stone chips and I, coupled with some of my own observations, came up with the following theory - which seems to make sense but am not researched enough to explain why ...
It would seem that OEM paint is much more able to withstand stone chips. Bumpers or aread which have been painted seem to be more prone to stone chips. My car has not had its bumper re-sprayed (apart from a small section I did myself) and it is notable that this re-sprayed area has picked up significantly more stone chips. This also seemed to occur more on other cars which had re-sprayed front bumpers although Stevos car seemed to fair up pretty well.
Here is a picture of my front bumper with an area of denser stone chips the same size as an area which was re-painted ...

Martin