BMW M340i tire size
The most common factory tire size for the BMW M340i is 225/40R19, on 14 of the 14 year and trim fits listed. The table lists every year from 2020 to 2026 and the size each trim was built with. Pick your year and trim to see the tires that fit.
BMW M340i tire sizes by year
| Year | Factory tire size | Trims |
|---|---|---|
| 2026 | 225/40R19load index 93, speed rating H | Base, Sedan |
| 225/40R19 front, 255/35R19 rearload index 93, speed rating Y | Base, Sedan | |
| 225/45R18 front, 255/40R18 rear | Sedan | |
| 225/45R18 | Sedan | |
| 2025 | 225/40R19load index 93, speed rating H | Base, Sedan |
| 225/40R19 front, 255/35R19 rearload index 93, speed rating Y | Base, Sedan | |
| 225/45R18 front, 255/40R18 rear | Sedan | |
| 225/45R18 | Sedan | |
| 2024 | 225/40R19load index 93, speed rating H | Base, Sedan |
| 225/40R19 front, 255/35R19 rearload index 93, speed rating Y | Base, Sedan | |
| 225/45R18load index 95, speed rating H | Base, Sedan | |
| 225/45R18 front, 255/40R18 rear | Sedan | |
| 2023 | 225/40R19load index 93, speed rating H | Base, Sedan |
| 225/40R19 front, 255/35R19 rearload index 93, speed rating Y | Base, Sedan | |
| 225/45R18load index 95, speed rating H | Base, Sedan | |
| 225/45R18 front, 255/40R18 rear | Sedan | |
| 2022 | 225/40R19load index 93, speed rating H | Base, Sedan |
| 225/40R19 front, 255/35R19 rearload index 93, speed rating Y | Base, Sedan | |
| 225/45R18load index 95, speed rating H | Base, Sedan | |
| 225/45R18 front, 255/40R18 rearload index 95, speed rating Y | Base, Sedan | |
| 2021 | 225/40R19load index 93, speed rating H | Base, Sedan |
| 225/40R19 front, 255/35R19 rearload index 93, speed rating Y | Base, Sedan | |
| 225/45R18load index 95, speed rating H | Base, Sedan | |
| 225/45R18 front, 255/40R18 rearload index 95, speed rating Y | Base, Sedan | |
| 2020 | 225/40R19load index 93, speed rating H | Base, Sedan |
| 225/40R19 front, 255/35R19 rearload index 93, speed rating Y | Base, Sedan | |
| 225/45R18load index 95, speed rating H | Base, Sedan | |
| 225/45R18 front, 255/40R18 rear | Sedan |
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.