Front: 245/45R18 100W XL BW
Rear: 275/40R18 103Y XL BW
Tire specs
- Warranty
- 40,000 miles
- Load index
- 100
- Speed rating
- W (168 mph)
- Load range
- Extra load (XL)
- Tread depth
- 9.2/32"
- Item #
- 2454518EVO221019020
2021 BMW 840i Convertible — 245/45R18
2021 BMW 840i Convertible
- Factory size
- 245/45R18 / 275/40R18
Front: 245/45R18Rear: 275/40R18
2 front + 2 rear
Front: 245/45R18Rear: 275/40R18
2 tire results
Factory-size matches for your vehicle2 front + 2 rearFront: 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
What size tires does the 2021 BMW 840i Convertible take?
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.