I too believe rough highways and city streets (LA) cause much more stress on the wheels as far as one cracking/bending. I have the lightweight Advan RS (about 3-4lbs lighter than stock per wheel) and so far no signs of damage and I've driven on some very rough roads.
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2009 E92 M3 | Alpine White | Black Extended | Advan RS | Turner Test Pipes | Dinan Axle-Back | OETuning | Eibach Springs | UUC SSK | VRS Front Lip | VRS Type I Diffuser | Matte Black | RPi Scoops | MS Filter | Yokohama AD08 | F1 Pinnacle
Special Thanks: Gintani | OETuning | eAs
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