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2020 BMW X3 M Tire Sizes
Best Tires for BMW X3 M
Michelin CrossClimate SUV
Michelin Premier LTX
Michelin Premier LTX
Kumho Crugen Hp71
Pirelli Scorpion Verde All Season
Stock Tire Sizes
P 255/45 R20
Diameter 29.04" | Sidewall height 4.52"
P 255/40 R21
Diameter 29.03" | Sidewall height 4.02"