BMW X4 tire size
The most common factory tire size for the BMW X4 is 245/45R19, on 24 of the 52 year and trim fits listed. The table lists every year from 2015 to 2025 and the size each trim was built with. Pick your year and trim to see the tires that fit.
BMW X4 tire sizes by year
| Year | Factory tire size | Trims |
|---|---|---|
| 2025 | 245/40R21 front, 275/35R21 rearload index 100, speed rating Y | M40i, xDrive30i |
| 245/45R20 front, 275/40R20 rearload index 103, speed rating Y | M40i, xDrive30i | |
| 245/50R19load index 105, speed rating W | M40i, xDrive30i | |
| 255/40R21 front, 265/40R21 rearload index 102, speed rating Y | M | |
| 255/45R20 front, 265/45R20 rearload index 105, speed rating Y | M | |
| 2024 | 245/40R21 front, 275/35R21 rearload index 100, speed rating Y | M40i, xDrive30i |
| 245/45R20 front, 275/40R20 rearload index 103, speed rating Y | M40i, xDrive30i | |
| 245/50R19load index 105, speed rating W | M40i, xDrive30i | |
| 255/40R21 front, 265/40R21 rearload index 102, speed rating Y | M, M Competition | |
| 255/45R20 front, 265/45R20 rearload index 105, speed rating Y | M | |
| 2023 | 245/40R21 front, 275/35R21 rearload index 100, speed rating Y | M40i, xDrive30i |
| 245/45R20 front, 275/40R20 rearload index 103, speed rating Y | M40i, xDrive30i | |
| 245/50R19load index 105, speed rating W | M40i, xDrive30i | |
| 255/40R21 front, 265/40R21 rearload index 102, speed rating Y | M, M Competition | |
| 255/45R20 front, 265/45R20 rearload index 105, speed rating Y | M | |
| 2022 | 245/40R21 front, 275/35R21 rearload index 100, speed rating Y | M40i, xDrive30i |
| 245/45R20 front, 275/40R20 rearload index 103, speed rating Y | M40i, xDrive30i | |
| 245/50R19load index 105, speed rating W | M40i, xDrive30i | |
| 255/40R21 front, 265/40R21 rearload index 102, speed rating Y | M, M Competition | |
| 255/45R20 front, 265/45R20 rearload index 105, speed rating Y | M | |
| 2021 | 245/45R20 front, 275/40R20 rearload index 103, speed rating Y | M40i, xDrive30i |
| 245/50R19load index 105, speed rating W | M40i, xDrive30i | |
| 255/40R21 front, 265/40R21 rearload index 102, speed rating Y | M, M Competition | |
| 245/40R21 front, 275/35R21 rearload index 100, speed rating Y | M40i | |
| 255/45R20 front, 265/45R20 rearload index 105, speed rating Y | M | |
| 2020 | 245/45R20 front, 275/40R20 rearload index 103, speed rating Y | M40i, xDrive30i |
| 245/50R19load index 105, speed rating W | M40i, xDrive30i | |
| 255/40R21 front, 265/40R21 rearload index 102, speed rating Y | M, M Competition | |
| 245/40R21 front, 275/35R21 rearload index 100, speed rating Y | M40i | |
| 255/45R20 front, 265/45R20 rearload index 105, speed rating Y | M | |
| 2019 | 245/45R20 front, 275/40R20 rearload index 103, speed rating Y | M40i, xDrive30i |
| 245/50R19load index 105, speed rating H | M40i, xDrive30i | |
| 245/40R21 front, 275/35R21 rearload index 100, speed rating Y | M40i | |
| 2018 | 245/40R20 front, 275/35R20 rear | 28i xDrive, M40i xDrive, xDrive28i |
| 245/45R19 | 28i xDrive, M40i, M40i xDrive | |
| 245/45R19 front, 275/40R19 rear | 28i xDrive, M40i, M40i xDrive | |
| 245/45R20 front, 275/40R20 rearload index 103, speed rating Y | M40i | |
| 2017 | 245/45R19 | 28i xDrive, M40i, M40i xDrive, xDrive28i, xDrive28i M Sport, xDrive28i xLine |
| 245/45R19 front, 275/40R19 rear | 28i xDrive, M40i, M40i xDrive, xDrive28i M Sport | |
| 245/40R20 front, 275/35R20 rear | 28i xDrive, M40i xDrive, xDrive28i M Sport | |
| 245/50R18 | 28i xDrive, xDrive28i | |
| 2016 | 245/45R19 front, 275/40R19 rear | 28i xDrive, 35i xDrive, M40i, xDrive28i M Sport, xDrive28i xLine, xDrive35i M Sport, xDrive35i xLine |
| 245/45R19 | 28i xDrive, 35i xDrive, M40i, xDrive28i, xDrive28i M Sport, xDrive35i, xDrive35i M Sport | |
| 245/50R18load index 100, speed rating V | xDrive28i, xDrive28i xLine, xDrive35i xLine | |
| 245/40R20 front, 275/35R20 rear | 28i xDrive, 35i xDrive | |
| 245/45R19 front, 275/35R20 rearload index 98, speed rating Y | xDrive28i M Sport, xDrive35i M Sport | |
| 2015 | 245/45R19 | 28i xDrive, 35i xDrive, xDrive28i, xDrive28i M Sport, xDrive28i xLine, xDrive35i, xDrive35i M Sport, xDrive35i xLine |
| 245/45R19 front, 275/40R19 rear | 28i xDrive, 35i xDrive, xDrive28i M Sport, xDrive35i M Sport | |
| 245/40R20 front, 275/35R20 rear | 28i xDrive, 35i xDrive | |
| 245/45R19 front, 275/35R20 rearload index 98, speed rating W | xDrive28i M Sport, xDrive35i M Sport | |
| 245/50R18load index 100, speed rating V | xDrive28i |
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.