Front: 225/40R18 92Y XL BW
Rear: 255/35R18 94Y XL BW
Tire specs
- Warranty
- 50,000 miles
- Load index
- 92
- Speed rating
- Y (186 mph)
- Load range
- Extra load (XL)
- Item #
- 2254018KUM2372843
2014 BMW Z4 sDrive35i — 225/40R18
O.E. size · 225/40R18 / 255/35R18
2014 BMW Z4 sDrive35i
Front: 225/40R18Rear: 255/35R18
2 front + 2 rear
Front: 225/40R18Rear: 255/35R18
2 tire results
Factory-size matches for your vehicle2 front + 2 rearFront: 225/40R18 92Y XL BW
Rear: 255/35R18 94Y XL BW
Tire specs
- Warranty
- 30,000 miles
- Load index
- 92
- Speed rating
- Y (186 mph)
- Load range
- Extra load (XL)
- Item #
- 2254018KUM2363203
What size tires does the 2014 BMW Z4 sDrive35i take?
The factory tire sizes for the 2014 BMW Z4 sDrive35i are 225/40R18 in front and 255/35R18 in the rear.
The catalog lists the front at load index 88, speed rating W (up to 168 mph) and the rear at load index 90, speed rating W (up to 168 mph).
This trim is also listed with 225/35R19 front and 255/30R19 rear. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| Front | 225/40R18 | 88 | W |
| Rear | 255/35R18 | 90 | W |
| Front | 225/35R19 | 88 | Y |
| Rear | 255/30R19 | 91 | 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.