What tyre size does a BMW i4 use?

The most common size is 245/35R20. Depending on generation and engine, the BMW i4 uses 8 different sizes including 245/35R20, 245/40R19, 245/45R18, 255/35R20, 255/40R19.

Where do I find my exact BMW i4 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 › i4

BMW i4 tyre sizes

All factory fitments by generation and engine — 8 sizes across 4 generations.

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Quick answer

The most common tyre size on the BMW i4 is 245/35R20 (overall diameter ≈ 680 mm). Exact fitment depends on generation and engine — full breakdown below.

i4 M (G4C/Facelift) 2024 - Coupe (2024–present)

Engine	Tyre sizes
i4 M50 xDrive - 170 PS - Electrical	245/35R20 245/40R19 245/45R18 255/35R20 255/40R19 255/45R18 285/30R20
i4 M60 xDrive - 197 PS	245/35R20 245/40R19 245/45R18 255/35R20 255/40R19 255/45R18 285/30R20

i4 (G4C/Facelift) 2024 - Coupe (2024–present)

Engine	Tyre sizes
i4 eDrive35 - 109 PS - Electrical	225/55R17 245/35R20 245/40R19 245/45R18 255/35R20 255/40R19 255/45R18
i4 eDrive35 - 116 PS - Electrical	225/55R17 245/35R20 245/40R19 245/45R18 255/35R20 255/40R19 255/45R18
i4 eDrive40 - 143 PS - Electrical	225/55R17 245/35R20 245/40R19 245/45R18 255/35R20 255/40R19 255/45R18
i4 xDrive40 - 170 PS - Electrical	245/35R20 245/40R19 245/45R18 255/35R20 255/40R19 255/45R18 285/30R20

i4 (G4C) 2021 - 2024 - Coupe (2021–2024)

Engine	Tyre sizes
i4 M50 - 170 PS - electro	245/35R20 245/40R19 245/45R18 255/35R20 255/40R19 255/45R18 285/30R20
i4 eDrive35 - 109 PS - Electrical	225/55R17 245/35R20 245/40R19 245/45R18 255/35R20 255/40R19 255/45R18
i4 eDrive35 - 116 PS - Electrical	225/55R17 245/35R20 245/40R19 245/45R18 255/35R20 255/40R19 255/45R18
i4 eDrive40 - 143 PS - Electrical	225/55R17 245/35R20 245/40R19 245/45R18 255/35R20 255/40R19 255/45R18
i4 xDrive40 - 170 PS - Electrical	245/35R20 245/40R19 245/45R18 255/35R20 255/40R19 255/45R18 285/30R20

i4 M (G4C) 2021 - 2024 - Coupe (2021–2024)

Engine	Tyre sizes
i4 M50 xDrive - 170 PS - Electrical	245/35R20 245/40R19 245/45R18 255/35R20 255/40R19 255/45R18 285/30R20
i4 M60 xDrive - 197 PS	245/35R20 245/40R19 245/45R18 255/35R20 255/40R19 255/45R18 285/30R20

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