I did a square set of PSS 275/25/18. Wih PSS, rain or shine...it owns the track. On the flip side, I think NT-01s or Dunlop Direzza manage heat better (based on hearsay not experience).
2011 Alpine White/Fox Red E90 M3. Sunroof Delete/DCT/No power seats/Square Apex ARC8s+ PSS /ACM Exhaust Mod+ EAS Tips