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Old 07-26-2012, 11:54 PM
Yorgi's Avatar
Yorgi Yorgi is offline
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Location: Toronto
Join Date: Mar 2005
Posts: 3,650
Mein Auto: '04 M3 / '06 650i Cab
I would scrap the run-flats if you want an improved ride. The difference is massive when I switch from my summer runflats to my 19" winter non-run-flats. Expansion joints and recessed manhole covers no longer make me wince when I am running my winters.

The highest rated summers when it comes to ride comfort (according to the TireRack customer survey which I find is very accurate) :
  • Michelin Pilot Super Sport (I can verify these are uber smooth)
  • Bridgestone Potenza S-04 Pole Position
  • Continental ExtremeContact DW

Any non-run-flat will be a big improvement but the 3 tires listed above will make the most difference.
Straight lines are for fast cars...turns are for fast drivers
'04 M3 - track
'06 650i Cab - daily driver
'02 Highlander - kid hauler
'01 330Ci - winter beater