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      04-21-2012, 01:52 PM   #10
Lieutenant Colonel

Drives: 2008 BMW 335i sedan
Join Date: Jan 2010
Location: San Francisco

iTrader: (0)

Originally Posted by jl335i View Post
I just replaced my run-flats yesterday on my 335 with the Pilot Super Sports. I have only driven them one day, but love them so far. The car rides smoother and is much quieter. I have the sport suspension and the ride seems less stiff, but I here that the effect of the non-run flats. So, I guess my next upgrade is the suspension.
Try upping the pressures if you are still running the same as the old runflats. You may find you don't need a suspension upgrade at all -- the OEM pressures help to counteract the bad runflat ride, but are too low for the softer conventional sidewalls. Try 38 all around and see what you think, before you do anything else.