Front: 255/40ZR21 102W XL BW
Rear: 265/40ZR21 105W XL BW
Tire specs
- Warranty
- 65,000 miles
- Load index
- 102
- Speed rating
- W (168 mph)
- Load range
- Extra load (XL)
- Tread depth
- 10.3/32"
- Item #
- 2554021KUM2368833
O.E. size · 255/40R21 / 265/40R21
2025 BMW X4 M Competition
Front: 255/40R21Rear: 265/40R21
Prices are per tire. Installation & fees add $32.79 per tire (installation package, tire disposal and the California tire fee); sales tax is separate.
Front: 255/40R21Rear: 265/40R21
Prices are per tire. Installation & fees add $32.79 per tire (installation package, tire disposal and the California tire fee); sales tax is separate.
2 tire results
Factory-size matches for your vehicle2 front + 2 rearFront: 255/40ZR21 102W XL BW
Rear: 265/40ZR21 105W XL BW
Front: 255/40ZR21 102Y XL BW
Rear: 265/40ZR21 105Y XL BW
The factory tire sizes for the 2025 BMW X4 M Competition are 255/40R21 in front and 265/40R21 in the rear.
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.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| Front | 255/40R21 | — | — |
| Rear | 265/40R21 | — | — |