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
2020 BMW 840i Convertible (18 Inch Option) — 245/45R18
O.E. size · 245/45R18 / 275/40R18
2020 BMW 840i Convertible (18 Inch Option)
Front: 245/45R18Rear: 275/40R18
2 front + 2 rear
Front: 245/45R18Rear: 275/40R18
1 tire result
Factory-size matches for your vehicle2 front + 2 rearWhat size tires does the 2020 BMW 840i Convertible (18 Inch Option) take?
The factory tire sizes for the 2020 BMW 840i Convertible (18 Inch Option) are 245/45R18 in front and 275/40R18 in the rear.
The catalog lists the front at load index 100, speed rating Y (up to 186 mph) and the rear at load index 99, speed rating Y (up to 186 mph).
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| Front | 245/45R18 | 100 | Y |
| Rear | 275/40R18 | 99 | 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.