Front: 245/45ZR18 100Y XL
Rear: 275/40ZR18 99Y
Tire specs
- Load index
- 100
- Speed rating
- Y (186 mph)
- Load range
- Extra load (XL)
- Tread depth
- 10.1/32"
- Item #
- 2454518FAL28036955
O.E. size · 245/45R18 / 275/40R18
2021 BMW 840i Convertible
Front: 245/45R18Rear: 275/40R18
Front: 245/45R18Rear: 275/40R18
1 tire result
Factory-size matches for your vehicle2 front + 2 rearFront: 245/45ZR18 100Y XL
Rear: 275/40ZR18 99Y
The factory tire sizes for the 2021 BMW 840i Convertible are 245/45R18 in front and 275/40R18 in the rear.
This trim is also listed with 245/35R20 front and 275/30R20 rear, 245/40R19 front and 275/35R19 rear, 245/45R18 and 1 more. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| Front | 245/45R18 | — | — |
| Rear | 275/40R18 | — | — |
| Front | 245/35R20 | — | — |
| Rear | 275/30R20 | — | — |
| Front | 245/40R19 | — | — |
| Rear | 275/35R19 | — | — |
| All wheels | 245/45R18 | — | — |
| All wheels | 245/40R19 | — | — |
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.