thats fixable all DIY style. you can lightly sand that area with some 2500 wet sand paper, then shoot it with clear, (most parts stores have clear in stock) then wet sand it again, then buff the scratches out.
i also went and repainted both bumpers off my regal, they suffered the old gm missing paint syndrome, i used rattle can duplicolor black semi metallic and you cant really tell i did it, not a pro.
bumper when i bought it, came from newark NJ, parking they were not good at.
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cut off al the nicks, sanded, filled.
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last sanding.
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took it off, wet sanded the edges, final cleaning, then primed and painted, cleared and reinstalled it.
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then wet sanded it and buffed.
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this was my first shot at a large scale painting job, like they all say, its all prep, thats the work. painting part is easy.