I got the same problem,but mostly on my spoiler, and some parts of the door.
I also got some "cracks" in the paint..kinda like spider web type of cracks. I'm due for a washover hehe. I tried to do a quick fix by spray painting those areas DIY. It looked ok for the first 2 weeks, then it started to have a different texture. almost like a high grit sand paper.
For your case, I think touch up paint would be ok for now.. don't do what I did..diy spray painting hehe.






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