Skip to main contentSkip to footer
BigO Tire
BigO Tire
Confirm Tire Size
Shopping for tires? Select tire size to proceed.
2018 BMW i3s Range Extender
Your vehicle manufacturer’s recommended tire specs include different front and rear tire sizes (i.e. staggered fitment). Learn about Staggered Fitment
Original Equipment Wheel Diameter: 19"
155/70R19
Original Equipment Wheel Diameter:
Front 20" / Rear 20"
Front Tires
175/55R20
Rear Tires
195/50R20
Where can I find my tire size?Where can I find my tire size?