BMW I3s tire and wheel sizes

The BMW I3s was approved in Switzerland between 2017 and 2022 with tires from 155/70R19 to 195/50R20 on 19″, 20″ wheels. The most common sizes are 155/70R19, 175/55R20, 195/50R20. Some versions use different sizes front and rear (staggered fitment).

Sizes differ by engine, trim and market. Confirm with the tire placard (usually on the driver's door jamb), the owner's manual or the vehicle registration papers before buying tires or wheels.

Most common sizes

BMW i3s (2017–2022) type BMWi-1

11 approved versions, e.g. i3s, i3s REX.

Tire sizeAxleLoad / speedRim and offsetVersions
155/70R19 Front & rear 88Q 5Jx19 ET28/43 11
155/70R19 Front 88Q 5Jx19 ET28/43 6
155/70R19 Rear 88Q 5Jx19 ET28/43 6
175/55R20 Front 89T 5.5Jx20 ET33 11
195/50R20 Rear 93T 6Jx20 ET39 11

How to read this table

Rim and offset uses the European notation: 7Jx17 ET45 is a 7-inch wide, 17-inch diameter wheel with a 45 mm offset. "Versions" is how many approved versions list that size — a rough guide to how common it is. Load / speed is the most frequent service description (for example 91V) among them; your car may require a higher one.

Showing 11 of 11 approvals: rare special versions are left out to keep the page readable. Records were read from the German-language text and checked against the French text; 91 % matched exactly.

Source: Swiss Federal Roads Office (FEDRO/ASTRA), open government data. Original data (downloaded 2026-09-29). Data processed by us; errors in processing are ours, not the publisher's.