Not sure what rimDiameter size options are for your 2020 BMW X3 M Competition?
Choose from the options below.
Version/Option
Tire Size
255/40R21
Front: 255/40R21, Rear: 265/40R21
265/40R21
255/40R21
Front: 255/40R21, Rear: 265/40R21
265/40R21
Version/Option
Tire Size
Version/Option
Tire Size
Version/Option
Tire Size
255/40R21
Front: 255/40R21, Rear: 265/40R21
Version/Option
Tire Size
265/40R21
255/40R21
Version/Option
Tire Size
Front: 255/40R21, Rear: 265/40R21
265/40R21
Find your version / option
There are two places to find your tire size. Look directly on your tire sidewall or inside your driver’s side door jamb for your vehicle’s tire size.
Passenger Tire Sidewall
High Flotation Tire Sidewall
Inside Your Door Jamb