2023 BMW Alpina XB7 Tire Sizes

Factory original equipment (OE) tire specifications.

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Base

Tire Size
285/45R21
Load Index
113
Speed Rating
H

Base

Tire Size
285/45R21
Load Index
113
Speed Rating
Y

Base

Front
Tire Size
285/35ZR23
Load Index
107
Speed Rating
(Y)

Base

Rear
Tire Size
325/30ZR23
Load Index
109
Speed Rating
(Y)