BMW 340i xDrive tire size
The most common factory tire size for the BMW 340i xDrive is 225/40R19 front, 255/35R19 rear, on 9 of the 9 year and trim fits listed. The table lists every year from 2016 to 2018 and the size each trim was built with. Pick your year and trim to see the tires that fit.
BMW 340i xDrive tire sizes by year
| Year | Factory tire size | Trims |
|---|---|---|
| 2018 | 225/40R19 front, 255/35R19 rearload index 89, speed rating Y | Base, Sedan, Sedan w/ M-Brake |
| 225/45R18load index 91, speed rating V | Base, Sedan, Sedan w/ M-Brake | |
| 225/45R18 front, 255/40R18 rearload index 91, speed rating Y | Base, Sedan, Sedan w/ M-Brake | |
| 225/45R19load index 96, speed rating V | Base | |
| 225/45R19 front, 255/40R19 rearload index 92, speed rating W | Base | |
| 225/50R18load index 99, speed rating V | Base | |
| 225/50R18 front, 255/45R18 rearload index 95, speed rating W | Base | |
| 2017 | 225/40R19 front, 255/35R19 rearload index 89, speed rating Y | Base, Sedan, Sedan w/ M-Brake |
| 225/45R18load index 91, speed rating Y | Base, Sedan, Sedan w/ M-Brake | |
| 225/45R18 front, 255/40R18 rearload index 91, speed rating Y | Base, Sedan, Sedan w/ M-Brake | |
| 225/45R19load index 96, speed rating V | Base | |
| 225/45R19 front, 255/40R19 rearload index 92, speed rating W | Base | |
| 225/50R18load index 99, speed rating V | Base | |
| 225/50R18 front, 255/45R18 rearload index 95, speed rating W | Base | |
| 2016 | 225/40R19 front, 255/35R19 rearload index 89, speed rating Y | Base, Sedan, Sedan w/ M-Brake |
| 225/45R18load index 91, speed rating Y | Base, Sedan, Sedan w/ M-Brake | |
| 225/45R18 front, 255/40R18 rearload index 91, speed rating Y | Base, Sedan, Sedan w/ M-Brake |
Check your own tire
A trim can be sold with more than one wheel size. The size printed on the sidewall of your current tire, or on the placard in the driver's door jamb, is the one your vehicle has.