Originally Posted by 6th BMW
Oh, good to know thanks
Run flats have stiffer side walls causing suboptimal grip in certain maneuvers (they did when I had them). The higher performance option is typically considered to be our current setup. You really want these over runflats especially if you enjoy "spirited" driving. My driving falls more in the "brutal" range but that is for another forum. One disadvantage though is my runflats lasted longer.