Not sure what rimDiameter size options are for your 2018 BMW Alpina B7 xDrive with 21 inch wheel?
Choose from the options below.
Version/Option
Tire Size
255/35R21
Front: 255/35R21, Rear: 295/30R21
295/30R21
255/40R20
Front: 255/40R20, Rear: 295/35R20
295/35R20
255/40R20
Front: 255/40R20, Rear: 295/35R20
295/35R20
Version/Option
Tire Size
255/35R21
Front: 255/35R21, Rear: 295/30R21
295/30R21
255/40R20
Front: 255/40R20, Rear: 295/35R20
Version/Option
Tire Size
295/35R20
255/40R20
Front: 255/40R20, Rear: 295/35R20
295/35R20
Version/Option
Tire Size
255/35R21
Front: 255/35R21, Rear: 295/30R21
295/30R21
Version/Option
Tire Size
255/40R20
Front: 255/40R20, Rear: 295/35R20
295/35R20
Version/Option
Tire Size
255/40R20
Front: 255/40R20, Rear: 295/35R20
295/35R20
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