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2025 Bmw 3 Series Tire Specifications & Recommendations
OEM tire specs for the 2025 Bmw 3 Series. Size, PSI, and seasonal recommendations.
OEM Tire Specifications
Size
225/45R18
Load Index
91
Speed Rating
H
Recommended PSI
32F / 32R
Seasonal Recommendation
all-season
Best for year-round driving in moderate climates
Compatible Tire Sizes
225/45R17235/45R17225/40R19
Estimated Replacement Cost
Full Set (4 Tires)
$180 - $350
The 2025 BMW 3 Series standard tire size is 225/45R18 on 18-inch wheels, with all trims using run-flat all-season tires. Higher trims like the M340i may use 225/40R19 for enhanced performance.
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