Please Choose Your Fitment
There are 5 possible tire fitments for your vehicle. Please select the one that matches your vehicle's Tire Placard (usually found in the driver's doorjamb). For most vehicles, the first option listed is the most common
2020 BMW X3 M40i
Front
245/45R20
103W
Rear
275/40R20
106W
Front
245/45R20
103Y
Rear
275/40R20
106Y
Front
245/40R21
100Y
Rear
275/35R21
103Y
Vehicle fitment data comes from a highly regarded, industry standard third-party resource. The data has been
deemed to be extremely accurate, however Tires Etc makes no guarantees or warranties with regard to the
accuracy of the data.