2026 BMW iX M70 — 255/50R21
2026 BMW iX M70
- Factory size
- 255/50R21
- Load / speed
- 109Y
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Factory-size matches for your vehicleNo tires are priced for this selected size and service class.
Choose yours for its prices, shelf stock and open times.
What size tires does the 2026 BMW iX M70 take?
The factory tire size for the 2026 BMW iX M70 is 255/50R21.
The catalog lists it at load index 109, speed rating Y (up to 186 mph).
This trim is also listed with 275/40R22. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | 255/50R21 | 109 | Y |
| All wheels | 275/40R22 | 107 | Y |
Confirm the size printed on the sidewall of your current tire or on the tire placard in the driver's door jamb before you buy. Replacement tires should meet or exceed the vehicle's load index and speed rating.