Originally Posted by crex
I would say my bmw 135i with non runflat tires and the bmw ps is more comfortable than it was with the stock suspension and the run-flats. I think the the runflats were overly stiff and the suspension was too soft to compensate. The combined effect didn't work well on the short wheel base.
I also highly rec the rear subframe bushings to get rid of the pogo bounce.
Kind of wheels/tires please ?