What tyre size does a BMW iX3 use?

The most common size is 255/35R22. Depending on generation and engine, the BMW iX3 uses 8 different sizes including 255/35R22, 255/40R21, 255/45R20, 275/35R22, 275/40R21.

Where do I find my exact BMW iX3 tyre size?

Check the tyre placard in the driver's door jamb or fuel flap, or use the lookup tool on this page to select your generation and engine.

Tyres › BMW › iX3

BMW iX3 tyre sizes

All factory fitments by generation and engine — 8 sizes across 2 generations.

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Quick answer

The most common tyre size on the BMW iX3 is 255/35R22 (overall diameter ≈ 737 mm). Exact fitment depends on generation and engine — full breakdown below.

iX3 (N-XA) 2025 - SUV (2025–present)

Engine	Tyre sizes
iX3 50 xDrive - 231 PS - Electrical	255/35R22 255/40R21 255/45R20 275/35R22 275/40R21

iX3 (G3XE) 2021 - 2025 - SUV (2021–2025)

Engine	Tyre sizes
iX3 (210 kW) - 109 PS - Electrical	245/45R20 245/50R19 275/40R20

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