OEM winter setup is 19" Sotto Zero 255/40 square on 408m's. The 408's differ in f/r offset but are the same width. Best to go with a dedicated winter wheel/tire setup, as anything below 35 and the PSS's begin to harden and lose traction, even in dry weather. The rubber compound is not designed for cold.
As for all-weather, stay away.
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Current:
2019 911 targa 4 | GT Silver Metallic
2019 X3 M40i | Glacier Silver
Past:
2013 911 C4S | 2019 X2 M35i | 2015 M5 Comp | 2013 M5 | 2013 640i | 2010 535xi | 2007 525xi
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