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BMW G45 X3 tire sizes (2025–2026)
Factory front and rear tire sizes for every US G45 trim and wheel package by model year, each linked to its source.
Last updated
| Trim | US model years | Front | Rear | Run-flat | Star (*) |
|---|---|---|---|---|---|
| X3 30 xDrive | 2025–2026 | 245/50R19 | 245/50R19 | ||
| X3 30 xDrive staggered | 2025–2026 | 255/45R20 | 285/40R20 | ||
| X3 30 xDrive staggered | 2025–2026 | 255/40R21 | 285/35R21 | ||
| X3 M50 staggered | 2025–2026 | 255/45R20 | 285/40R20 | ||
| X3 M50 staggered | 2025–2026 | 255/40R21 | 285/35R21 |
Run-flat and star are filled only where a BMW owner's manual or Tire Rack's original-equipment listing confirms them for that year; blank means not confirmed. Check the placard in your driver's door jamb before buying.
Shop these sizes: Shop 245/50R19 at Mavis · Shop 255/45R20 at Mavis · Shop 285/40R20 at Mavis · Shop 255/40R21 at Mavis · Shop 285/35R21 at Mavis
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All BMW tire sizes G45 model page Tire replacement cost Run-flat and staggered tires
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