my european TJ sahara came with painted fenders. i think you should also have a TJ model with painted fenders over there...Wow Nicolas-Eric what did you paint those fenders with?
It was a plastic round pipe i bought from the store.. I sanded it with 300 grid (i think) sandypaper and then cleaned it up with a rag.. It was not dirty or wet or anything of that kind, it was clean. I painted it with primer.. then it dried.. painted it with paint.. it dried and i lifted it up and when i put a bit more pressure on it with my finger the piece under my finger just ripped off from the rest of the paint.. I think it was the primer that wasnt good for plastic..sounds like your prep work wasnt up to snuff (no offense)
It was a plastic round pipe i bought from the store.. I sanded it with 300 grid (i think) sandypaper and then cleaned it up with a rag.. It was not dirty or wet or anything of that kind, it was clean. I painted it with primer.. then it dried.. painted it with paint.. it dried and i lifted it up and when i put a bit more pressure on it with my finger the piece under my finger just ripped off from the rest of the paint.. I think it was the primer that wasnt good for plastic..