There is Dr. Beasley's "Pro" coating (especially if you have matte/frozen finish). I use their "regular" (non-pro) for my G87 in Frozen Portimao Blue and its fantastic! I have not tried their "pro" version though.
Non-Matte version (25+ years, lol):
https://www.drbeasleys.com/nano-resi...W90APaZpVFoaV_
Matte version (5+ years):
https://www.drbeasleys.com/matte-pai...5t63xV7wUrnnuw
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Car History (oldest to newest): Accord, 318i, 330i, Prius, Prius, M2