What tyre size does a BMW 8 Series use?

The most common size is 245/35R20. Depending on generation and engine, the BMW 8 Series uses 12 different sizes including 245/35R20, 245/40R19, 245/45R18, 275/30R20, 275/35R19.

Where do I find my exact BMW 8 Series tyre size?

Check the tyre placard in the driver's door jamb or fuel flap, or use the lookup tool on this page to select your generation and engine.

Tyres › BMW › 8 Series

BMW 8 Series tyre sizes

All factory fitments by generation and engine — 12 sizes across 7 generations.

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Quick answer

The most common tyre size on the BMW 8 Series is 245/35R20 (overall diameter ≈ 680 mm). Exact fitment depends on generation and engine — full breakdown below.

8 Series Convertible (G8C (G14)/Facelift) 2022 - Convertible (2022–present)

Engine	Tyre sizes
840d xDrive - 340 PS - Mild-Hybrid - 2993 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840i - 333 PS - Petrol - 2998 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840i xDrive - 333 PS - Petrol - 2998 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
M850i xDrive - 530 PS - Petrol - 4395 Hubraum	245/35R20 245/40R19 275/30R20 275/35R19

8 Series coupe (G8C (G15)/Facelift) 2022 - Coupé (2022–present)

Engine	Tyre sizes
840d xDrive - 340 PS - Mild-Hybrid - 2993 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840i - 333 PS - Petrol - 2998 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840i xDrive - 333 PS - Petrol - 2998 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
M850i xDrive - 530 PS - Petrol - 4395 Hubraum	245/35R20 245/40R19 275/30R20 275/35R19

8 Series Gran coupe (G8C (G16)/Facelift) 2022 - Sedan (2022–present)

Engine	Tyre sizes
840d xDrive Gran Coupé - 340 PS - Mild-Hybrid - 2993 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840i Gran Coupé - 333 PS - Petrol - 2998 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840i xDrive Gran Coupé - 333 PS - Petrol - 2998 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
M850i xDrive Gran Coupé - 530 PS - Petrol - 4395 Hubraum	245/35R20 245/40R19 275/30R20 275/35R19

8 Series Gran coupe (G8C (G16)) 2019 - 2022 - Sedan (2019–2022)

Engine	Tyre sizes
840d xDrive Gran Coupé - 320 PS - Diesel - 2993 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840d xDrive Gran Coupé - 340 PS - Mild-Hybrid - 2993 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840i Gran Coupé - 333 PS - Petrol - 2998 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840i Gran Coupé - 340 PS - Petrol - 2998 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840i xDrive Gran Coupé - 333 PS - Petrol - 2998 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840i xDrive Gran Coupé - 340 PS - Petrol - 2998 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
M850i xDrive Gran Coupé - 530 PS - Petrol - 4395 Hubraum	245/35R20 245/40R19 275/30R20 275/35R19

8 Series Convertible (G8C (G14)) 2018 - 2022 - Convertible (2018–2022)

Engine	Tyre sizes
840d xDrive - 320 PS - Diesel - 2993 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840d xDrive - 340 PS - Mild-Hybrid - 2993 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840i - 333 PS - Petrol - 2998 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840i - 340 PS - Petrol - 2998 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840i xDrive - 333 PS - Petrol - 2998 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840i xDrive - 340 PS - Petrol - 2998 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
M850i xDrive - 530 PS - Petrol - 4395 Hubraum	245/35R20 245/40R19 275/30R20 275/35R19

8 Series coupe (G8C (G15)) 2018 - 2022 - Coupé (2018–2022)

Engine	Tyre sizes
840d xDrive - 320 PS - Diesel - 2993 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840d xDrive - 340 PS - Mild-Hybrid - 2993 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840i - 333 PS - Petrol - 2998 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840i - 340 PS - Petrol - 2998 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840i xDrive - 333 PS - Petrol - 2998 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
840i xDrive - 340 PS - Petrol - 2998 Hubraum	245/35R20 245/40R19 245/45R18 275/30R20 275/35R19 275/40R18
M850i xDrive - 530 PS - Petrol - 4395 Hubraum	245/35R20 245/40R19 275/30R20 275/35R19

8er Coupé (8/E) 1989 - 1999 - Coupé (1989–1999)

Engine	Tyre sizes
830Ci (E31) - 218 PS - Benzin - 2997 Hubraum	225/55R16 235/45R17 235/50R16 265/40R17
840Ci (E31) - 286 PS - Benzin - 3982 Hubraum	225/55R16 235/45R17 235/50R16 265/40R17
840Ci (E31) - 286 PS - Benzin - 4398 Hubraum	225/55R16 235/45R17 235/50R16 265/40R17
850Ci (E31) - 299 PS - Benzin - 4988 Hubraum	225/55R16 235/45R17 235/50R16 265/40R17
850Ci (E31) - 326 PS - Benzin - 5379 Hubraum	225/55R16 235/45R17 235/50R16 265/40R17
M850CSi (E31) - 381 PS - Benzin - 5576 Hubraum	235/45R17 245/40R18 265/40R17 285/35R18

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