dgm wrote:Interesting. What sizes of wide winter tyres have you tried? I run 265/30/19 Vredestein winters on the rear of mine and have found them excellent in just the conditions you describeFranzino wrote:IMO the oem Z4M rear wheels are too wide to fit a good set of winter tyres. Wide tyres are useless in snow and really cold (wet) weather. I have a set of oem dubbelspoke 164M wheels (+ 225/40/18 Continental winter tyres). It's the winter set-up that BMW delivers for the Z4M and e46 M3. They are great!
They are not useless, that's a little to extreme to say. But in my opinion a narrower rear tyre worked better in the winter then a wider wheel-tyre. Just something I noticed when driving different RW car's in the past years with different tyres in really harsh winter situations... Maybe the winter tyres are of better quality then let's say 8 years ago..?