Originally Posted by KevinC
H&R Race springs + runflats? Unless you drive exclusively on airport runways, pool tables, or gymnasium floors, OR only use your car for weekend track/autocross events, I HIGHLY recommend against this setup on your daily driver. If you do opt for it, be sure to order a kidney belt at the same time, you'll need it.
So would modifying the suspension with run-flat tires affect the ride that badly? I don't have the Sports package on my 325. I am new to all this modification stuff btw.