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      02-07-2017, 06:21 PM   #2
HP Autosport
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Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com

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Quote:
Originally Posted by Dfahmy View Post
Hey guys, I have a 328i sport line with 17 inch wheels with the stock run flats. My problem is the car feels really wobbly/unstable at speeds of 120-130 km/h or more especially on uneven roads. Any ideas on how to fix this? stiffen the ride maybe, without lowering?
How are your tire pressures?

You can improve damping with better struts and shocks. The improved damping will control suspension and body motions much better and keep the car stable at speed.