Originally Posted by Philip@McKennaPerformance
I also agree that 380 all around would be a great choice.
Why? Rear can easily cope with 345 mm. Just more weight with 380 mm at rear. Front 380 mm is fine although 365 mm seems to work very well & you can use 18" wheels for more flexibility in tyre selection.
E92 M3: M-DCT, full black leather, PDC front & rear, M-Drive, Double Spoke 220 M, EDC, light & mirror package, electric fully-adjustable seats, iPod, Individual audio, Professional navigation, RS-19 pads, 18" OEM track wheels, semi-slicks, Akrapovic Full EVO titanium, KW Clubsport, Challenge Carbon Race trunk, Brembo GT brakes 365/345 mm, RPK CF rear wing