Looks like some hard water stains. Try something like CarPro Spotless on a few spots to see if it does anything...just make sure you do it in a shaded area.
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Current: 2024 BMW M3 Competition xDrive | 2022 Audi Q7
Gone: 2022 Audi RS5 | 2020 BMW M340i | 2019 Audi RS5
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