I have a 2021 340i with summer tires. I bought a set of 790M 18" take-off rims that I plan to use in the winter.
1) Should I go with winter/snow or all-seasons tires? I don't plan to drive aggressively in the winter. I live in the mid-Atlantic area and am leaning towards the all-seasons for versatility.
2) Should I square the wheels so I can rotate and extend the life of the tires. These are my back-up tires so I can sacrifice some performance.
3) If I squared, what is the ideal tire size should I go with? The tires on the wheels right now are 255/40/18 (8.5Jx18 ET40) and 225/45R18 (7.5Jx18 ET25). Do I need to use spacers?
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