2021 BMW X7 M50i / M60i
The 2021 BMW X7 M50i / M60i tire size and wheel specifications below reflect standard OEM reference fitment data for this trim level.
Detailed tire and wheel breakdown for the 2021 BMW X7
Tire geometry â 275/40R22
The 275/40R22 fitted to the 2021 BMW X7 has a section width of 275mm and an aspect ratio of 40%, mounted on a 22-inch rim. That gives a sidewall height of 110.0mm (4.33") and an overall outside diameter of 778.8mm (30.66"). At highway speed this tire completes roughly 409 revolutions per kilometre, which is what your speedometer and odometer are calibrated against.
Plus-sizing window
If you want to upsize wheels on the 2021 BMW X7 while keeping the speedometer accurate, target a 285/34R23 (plus-one). For a softer ride or winter setup, a 265/46R21 (minus-one) keeps the overall diameter within Âą3% of stock, which is the industry tolerance for ABS and stability control to stay calibrated.
Wheel fitment specs
The 2021 BMW X7 uses a 5x112 bolt pattern with a 66.6mm hub bore. Safe rim width range for the OEM tire is 9.0J â 10.0J, and offsets in the ET27 â ET37 window will clear suspension and fender without rubbing on most setups.
Staggered setup notes
The 2021 BMW X7 ships staggered: 275/40R22 up front and 315/35R22 on the rear. That is a 315mm vs 275mm width difference â do not rotate front-to-rear, and replace tires in axle pairs to keep ABS and traction control balanced.
Tire pressure guidance
Manufacturer-recommended cold tire pressure for the 2021 BMW X7 is printed on the driver-side door jamb sticker â always defer to that value, not to the maximum pressure printed on the tire sidewall. Check pressure monthly and before long trips; under-inflation by 20% can reduce tread life by 25%.
Fitment Specifications
| Engine & Trim | Tire Size | Rim Size | Offset (ET) |
|---|---|---|---|
| M50i / M60i | 275/40R22 Rear: 315/35R22 | 22" x 9.5 | ET32 |
Frequently Asked Questions
What tire size does the 2021 BMW X7 M50i / M60i use?
The 2021 BMW X7 M50i / M60i uses 275/40R22 tires as standard equipment.
What is the bolt pattern of the 2021 BMW X7 M50i / M60i?
The 2021 BMW X7 M50i / M60i has a 5x112 bolt pattern with a center bore of 66.6mm.
What is the wheel offset of the 2021 BMW X7 M50i / M60i?
The 2021 BMW X7 M50i / M60i has a wheel offset of ETET32.