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2018 BMW 320i tire sizes

The 2018 BMW 320i came from the factory with 4 tire sizes on 17" to 18" wheels. The most common size is 225/50 R17. Pick your trim below.

2018 320i Base Model

Factory (OE) sizes

18"wheels
245/45 R18

Optional sizes

18"wheels
Front225/45 R18Rear255/40 R18

2018 320i Sport

Factory (OE) sizes

17"wheels
225/50 R17

Optional sizes

18"wheels
225/45 R18

2018 320i Sport Plus

Factory (OE) sizes

18"wheels
225/45 R18

Optional sizes

18"wheels
Front225/45 R18Rear255/40 R18

2018 320i Track Handling Package

Factory (OE) sizes

18"wheels
225/45 R18

Optional sizes

18"wheels
255/40 R18

2018 320i xDrive

Factory (OE) sizes

17"wheels
225/50 R17

Optional sizes

18"wheels
225/45 R18Front225/45 R18Rear255/40 R18

2018 320i xDrive Convertible

Factory (OE) sizes

17"wheels
205/50 R17

Optional sizes

18"wheels
225/40 R18Front225/40 R18Rear245/35 R18

2018 320i xDrive Coupe

Factory (OE) sizes

17"wheels
205/50 R17

Optional sizes

18"wheels
225/40 R18Front225/40 R18Rear245/35 R18

2018 320i xDrive Sport

Factory (OE) sizes

17"wheels
225/50 R17

Optional sizes

18"wheels
225/45 R18

2018 320i xDrive Sport Plus

Factory (OE) sizes

18"wheels
225/45 R18

Optional sizes

18"wheels
Front225/45 R18Rear255/40 R18

How to read 225/50 R17

225
Tread width in millimetres
50
Sidewall height, % of width
R
Radial construction
17
Wheel diameter in inches

Overall diameter: about 25.9" · Sidewall: 113 mm

BMW 320i tire sizes by year

1977 1978 1979 1980 1981 1982 1983 2013 2014 2015 2016 2017 2018

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