Tire specs
- Warranty
- 50,000 miles
- Load index
- 102
- Speed rating
- Y (186 mph)
- Load range
- Extra load (XL)
- Item #
- 2454519KUM2373703
2018 BMW X4 M40i — 245/45R19
O.E. size · 245/45R19
2018 BMW X4 M40i
5 tire results
Factory-size matches for your vehicleTire specs
- Warranty
- 65,000 miles
- Load index
- 102
- Speed rating
- V (149 mph)
- Load range
- Extra load (XL)
- Tread depth
- 11/32"
- Item #
- 2454519FAL28712904
Tire specs
- Warranty
- 55,000 miles
- Load index
- 102
- Speed rating
- W (168 mph)
- Load range
- Extra load (XL)
- Tread depth
- 10/32"
- Item #
- 2454519NOKT433026
Tire specs
- Load index
- 102
- Speed rating
- Y (186 mph)
- Load range
- Extra load (XL)
- Tread depth
- 10/32"
- Item #
- 2454519FAL28034353
Tire specs
- Warranty
- 50,000 miles
- Load index
- 102
- Speed rating
- W (168 mph)
- Load range
- Extra load (XL)
- Tread depth
- 9/32"
- Item #
- 2454519KUM2357523
What size tires does the 2018 BMW X4 M40i take?
The factory tire size for the 2018 BMW X4 M40i is 245/45R19.
The catalog lists it at load index 102, speed rating V (up to 149 mph).
This trim is also listed with 245/45R19 front and 275/40R19 rear, 245/45R20 front and 275/40R20 rear. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | 245/45R19 | 102 | V |
| Front | 245/45R19 | 98 | Y |
| Rear | 275/40R19 | 101 | Y |
| Front | 245/45R20 | 103 | Y |
| Rear | 275/40R20 | 106 | 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.