E46 M3 with 19" alloys : tyre sizes ?

[edoardo]

what's the tyre size that the M3 optional 19" alloys come with ?

I have read snow chains can NOT be fitted, so I'm looking for spikes spider or autosocks.

[Zod]

225/40/19 and 255/35/19

It's true about snow chains, but SpikesSpiders do fit.

[edoardo]

thanks!