You can check my thread about a similar question: OEM Size RE71 vs Wider PS4S
https://f87.bimmerpost.com/forums/sh....php?t=1648150
Personally I bought a second set of 437m and wanted to try 265/30F 295/30R R888r for max all out grip at the track but I was also curious because they exist in stock sizes. Goodyear Supercar 3 are also available in OEM size and seem interesting.
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Fun/HPDE: 2023 M3 6MT Individual Malachite
Past:2023 M4 CSL, 2022 M4C Vert, 2020 M340i, 2018 M2, 2015 M235i, 2008 135i 550whp
Daily: 2023 X5 45e
Daily/Family: 2021 Atlas Cross Sport 3.6