If you're into runway racing, as a competitor or as a spectator, you HAVE To check out WannaGoFast, America's premiere Runway Racing Event Series! www.wannagofast.com This BMW E60 M5 is unique in that in addition to some common bolt-on performance items, (and an F80 M3 front bumper), it's had the suspension completely replaced with an Accuair E-Level Air Bag system. Generally, air suspensions are recommended for comfortable cruising and parking lot show car stance, but occasionally we see air suspension systems tuned for sport driving, with often surprising results. Check out the car on WheelWell! https://goo.gl/bG0GkB