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BMW G14 8 Series coupe, convertible and Gran Coupe tire sizes (2019–2026)
Factory front and rear tire sizes for every US G14 trim and wheel package by model year, each linked to its source.
Last updated
| Trim | US model years | Front | Rear | Run-flat | Star (*) |
|---|---|---|---|---|---|
| 840i Convertible staggered | 2020–2022 | 245/45R18 | 275/40R18 | ||
| 840i Convertible staggered | 2020–2026 | 245/40R19 | 275/35R19 | ||
| 840i Convertible staggered | 2020–2026 | 245/35R20 | 275/30R20 | ||
| 840i Convertible M Sport staggered | 2020–2022 | 245/40R19 | 275/35R19 | ||
| 840i Convertible M Sport staggered | 2020–2022 | 245/35R20 | 275/30R20 | ||
| 840i Coupe staggered | 2020–2022 | 245/45R18 | 275/40R18 | ||
| 840i Coupe staggered | 2020–2026 | 245/40R19 | 275/35R19 | ||
| 840i Coupe staggered | 2020–2026 | 245/35R20 | 275/30R20 | ||
| 840i Coupe M Sport staggered | 2020–2022 | 245/40R19 | 275/35R19 | ||
| 840i Coupe M Sport staggered | 2020–2022 | 245/35R20 | 275/30R20 | ||
| 840i Gran Coupe staggered | 2020–2022 | 245/45R18 | 275/40R18 | ||
| 840i Gran Coupe staggered | 2020–2026 | 245/40R19 | 275/35R19 | ||
| 840i Gran Coupe staggered | 2020–2026 | 245/35R20 | 275/30R20 | ||
| 840i Gran Coupe M Sport staggered | 2020–2022 | 245/40R19 | 275/35R19 | ||
| 840i Gran Coupe M Sport staggered | 2020–2022 | 245/35R20 | 275/30R20 | ||
| Alpina B8 xDrive Gran Coupe staggered | 2022–2025 | 245/40R20 | 275/35R20 | ||
| Alpina B8 xDrive Gran Coupe staggered | 2022–2025 | 245/35R21 | 285/30R21 | ||
| M850i xDrive Convertible staggered | 2019–2026 | 245/40R19 | 275/35R19 | ||
| M850i xDrive Convertible staggered | 2019–2026 | 245/35R20 | 275/30R20 | ||
| M850i xDrive Coupe staggered | 2019–2026 | 245/40R19 | 275/35R19 | ||
| M850i xDrive Coupe staggered | 2019–2026 | 245/35R20 | 275/30R20 | ||
| M850i xDrive Gran Coupe staggered | 2020–2026 | 245/40R19 | 275/35R19 | ||
| M850i xDrive Gran Coupe staggered | 2020–2026 | 245/35R20 | 275/30R20 |
Run-flat and star are filled only where a BMW owner's manual or Tire Rack's original-equipment listing confirms them for that year; blank means not confirmed. Check the placard in your driver's door jamb before buying.
Shop these sizes: Shop 245/45R18 at Mavis · Shop 275/40R18 at Mavis · Shop 245/40R19 at Mavis · Shop 275/35R19 at Mavis · Shop 245/35R20 at Mavis · Shop 275/30R20 at Mavis · Shop 245/40R20 at Mavis · Shop 275/35R20 at Mavis · Shop 245/35R21 at Mavis · Shop 285/30R21 at Mavis
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Show sources
- tiresize.com/tires/BMW/840i/2020/
- michelinman.com/auto/manufacturers/bmw/840i
- michelinman.com/auto/manufacturers/bmw/840i-gran-coupe
- tiresize.com/tires/BMW/Alpina/2022/
- tiresize.com/tires/BMW/M850i/2019/
- michelinman.com/auto/manufacturers/bmw/m850i-xdrive
- tiresize.com/tires/BMW/M850i/2020/
- michelinman.com/auto/manufacturers/bmw/m850i-xdrive-gran-coupe
All BMW tire sizes G14 model page Tire replacement cost Run-flat and staggered tires
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