Front: 255/40ZR18 99Y XL
Rear: 275/40ZR18 99Y
Tire specs
- Load index
- 99
- Speed rating
- Y (186 mph)
- Load range
- Extra load (XL)
- Tread depth
- 10/32"
- Item #
- 2554018FAL28038585
2021 BMW Z4 M40i — 255/40R18
2021 BMW Z4 M40i
- Factory size
- 255/40R18 / 275/40R18
Front: 255/40R18Rear: 275/40R18
2 front + 2 rear
Front: 255/40R18Rear: 275/40R18
1 tire result
Factory-size matches for your vehicle2 front + 2 rearWhat size tires does the 2021 BMW Z4 M40i take?
The factory tire sizes for the 2021 BMW Z4 M40i are 255/40R18 in front and 275/40R18 in the rear.
This trim is also listed with 255/35R19 front and 275/35R19 rear. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| Front | 255/40R18 | — | — |
| Rear | 275/40R18 | — | — |
| Front | 255/35R19 | — | — |
| Rear | 275/35R19 | — | — |
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.