I am about to pull the trigger on OEM size Frozen Rotors on all 4 corners, and will continue using PFC08 pads in the stock calipers for the track. I use Castrol SRF Fluid and have braided lines. I have plenty of braking authority on stock size rotors using sticky street tires (Bridgestone RE71r, BFG Rival S) but can't comment true R-compound tires.
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1M track toy mods: BMS chargepipe, BMS OCC, ADE FMIC, ADE motor mounts, MadDad/Lightweight Ti exhaust, ADE custom oil thermostat/cooler, custom MHD tune, F10 550i clutch, Ohlins R+T, Vorschlag camber plates, M3 'vert FSB with Turner endlinks, Stoptech Trophy BBK.
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