Tire specs
- Warranty
- 45,000 miles
- Load index
- 99
- Speed rating
- Y (186 mph)
- Load range
- Extra load (XL)
- Tread depth
- 10/32"
- Item #
- 2255018MIC22058
2018 BMW 340i xDrive Base — 225/50R18
2018 BMW 340i xDrive Base
- Factory size
- 225/50R18
- Load / speed
- 99V
8 tire results
Factory-size matches for your vehicleTire specs
- Load index
- 99
- Speed rating
- V (149 mph)
- Load range
- Extra load (XL)
- Item #
- 2255018MIC68361
Tire specs
- Warranty
- 65,000 miles
- Load index
- 99
- Speed rating
- W (168 mph)
- Load range
- Extra load (XL)
- Tread depth
- 10.5/32"
- Item #
- 2255018BFG71758
Tire specs
- Load index
- 99
- Speed rating
- W (168 mph)
- Load range
- Extra load (XL)
- Tread depth
- 9.3/32"
- Item #
- 2255018TOY196410
Tire specs
- Warranty
- 75,000 miles
- Load index
- 99
- Speed rating
- V (149 mph)
- Load range
- Extra load (XL)
- Tread depth
- 10/32"
- Item #
- 2255018HAN1032044
Tire specs
- Load range
- Extra load (XL)
- Item #
- 2255018BRI012642
Tire specs
- Load index
- 99
- Speed rating
- V (149 mph)
- Load range
- Extra load (XL)
- Run-flat
- Yes
- Item #
- 2255018PIR2145200
Tire specs
- Load index
- 99
- Speed rating
- W (168 mph)
- Load range
- Extra load (XL)
- Run-flat
- Yes
- Item #
- 2255018BRI009851
What size tires does the 2018 BMW 340i xDrive Base take?
The factory tire size for the 2018 BMW 340i xDrive Base is 225/50R18.
The catalog lists it at load index 99, speed rating V (up to 149 mph).
This trim is also listed with 225/45R19, 225/45R18, 225/50R18 front and 255/45R18 rear and 3 more. Check which one your vehicle has.
| Wheels | Size | Load index | Speed rating |
|---|---|---|---|
| All wheels | 225/50R18 | 99 | V |
| All wheels | 225/45R19 | 96 | V |
| All wheels | 225/45R18 | 91 | V |
| Front | 225/50R18 | 95 | W |
| Rear | 255/45R18 | 99 | W |
| Front | 225/45R19 | 92 | W |
| Rear | 255/40R19 | 96 | W |
| Front | 225/45R18 | 91 | Y |
| Rear | 255/40R18 | 95 | 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.