BMW I3s tire size
The most common factory tire size for the BMW I3s is 175/55R20 front, 195/50R20 rear, on 2 of the 2 year and trim fits listed. Each year below lists the sizes its trims were built with (2018 to 2019). Pick your year and trim to see the tires that fit.
BMW I3s tire sizes by year
20191 size · 1 trim
175/55R20 front, 195/50R20 rearload index 89, speed rating T
20181 size · 1 trim
175/55R20 front, 195/50R20 rearload index 89, speed rating T
Check your own tire
A trim can be sold with more than one wheel size. The size printed on the sidewall of your current tire, or on the placard in the driver's door jamb, is the one your vehicle has.