BMW M850i xDrive tire size
The most common factory tire size for the BMW M850i xDrive is 245/35R20 front, 275/30R20 rear, on 17 of the 17 year and trim fits listed. The table lists every year from 2019 to 2026 and the size each trim was built with. Pick your year and trim to see the tires that fit.
BMW M850i xDrive tire sizes by year
| Year | Factory tire size | Trims |
|---|---|---|
| 2026 | 245/35R20 front, 275/30R20 rearload index 95, speed rating Y | Convertible, Coupe |
| 245/40R19 front, 275/35R19 rearload index 98, speed rating H | Convertible, Coupe | |
| 245/40R19 | Convertible, Coupe | |
| 2025 | 245/35R20 front, 275/30R20 rearload index 95, speed rating Y | Convertible, Coupe |
| 245/40R19 front, 275/35R19 rearload index 98, speed rating H | Convertible, Coupe | |
| 245/40R19 | Convertible, Coupe | |
| 2024 | 245/35R20 front, 275/30R20 rearload index 95, speed rating Y | Convertible, Coupe |
| 245/40R19 front, 275/35R19 rearload index 98, speed rating H | Convertible, Coupe | |
| 245/40R19 | Convertible, Coupe | |
| 2023 | 245/35R20 front, 275/30R20 rearload index 95, speed rating Y | Convertible, Coupe |
| 245/40R19 front, 275/35R19 rearload index 98, speed rating H | Convertible, Coupe | |
| 245/40R19 | Convertible, Coupe | |
| 2022 | 245/35R20 front, 275/30R20 rearload index 95, speed rating Y | Convertible, Coupe |
| 245/40R19load index 98, speed rating H | Convertible, Coupe | |
| 245/40R19 front, 275/35R19 rearload index 98, speed rating H | Convertible, Coupe | |
| 2021 | 245/35R20 front, 275/30R20 rearload index 95, speed rating Y | Convertible, Coupe |
| 245/40R19load index 98, speed rating H | Convertible, Coupe | |
| 245/40R19 front, 275/35R19 rearload index 98, speed rating H | Convertible, Coupe | |
| 2020 | 245/35R20 front, 275/30R20 rearload index 95, speed rating Y | Convertible, Coupe |
| 245/40R19load index 98, speed rating H | Convertible, Coupe | |
| 245/40R19 front, 275/35R19 rearload index 98, speed rating H | Convertible, Coupe | |
| 2019 | 245/35R20 front, 275/30R20 rearload index 95, speed rating Y | Convertible, Coupe, First Edition |
| 245/40R19 front, 275/35R19 rearload index 98, speed rating Y | Convertible, Coupe |
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.