Meguiar's M205 has been one of the most popular products for fine swirl removal for 10+ years. I think that says a lot.
I'd reserve M105 for heavy swirl removal or on paint that has never been polished. No use removing more clearcoat than you have to.
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Now: 2017 Corvette Grand Sport, 2021 AMG C63 S sedan
Past: 2011.5 M3 sedan ZCP
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