As a couple of posters have said already, I have Continental ExtremeContact DWS on my X5 and I couldn't be happier. Excellent handing in wet, above average in the snow, obviously great dry. Only thing with them is they will develop flat spots from sitting for a few days but a couple miles on the road takes care of that. Decent price, too, I had a local shop price match tirerack.com. So far over 15K on them, I'll likely have to replace them a year from autumn which will be 3 years total.

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2003 X5 3.0i Manual, Premium, Sport, Nav, Cold Weather, Intravee II, Dinan Throttlebody & Engine Software