2021 BMW Alpina B7 Base — 285/45R21
2021 BMW Alpina B7 Base
- Factory size
- 285/45R21
- Load / speed
- 113Y
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What size tires does the 2021 BMW Alpina B7 Base take?
The factory tire size for the 2021 BMW Alpina B7 Base is 285/45R21.
The catalog lists it at load index 113, speed rating Y (up to 186 mph).
This trim is also listed with 285/35R23 front and 325/30R23 rear. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | 285/45R21 | 113 | Y |
| Front | 285/35R23 | 107 | Y |
| Rear | 325/30R23 | 109 | 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.