2026 BMW X3 Tire Sizes

Factory original equipment (OE) tire specifications.

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M50

Front
Tire Size
255/45R20
Load Index
105
Speed Rating
H

M50

Rear
Tire Size
285/40R20
Load Index
108
Speed Rating
H

M50

Front
Tire Size
255/45R20
Load Index
105
Speed Rating
Y

M50

Rear
Tire Size
285/40R20
Load Index
108
Speed Rating
Y

M50

Front
Tire Size
255/40R21
Load Index
102
Speed Rating
Y

M50

Rear
Tire Size
285/35R21
Load Index
105
Speed Rating
Y

M50

Front
Tire Size
255/40R21
Load Index
102
Speed Rating
(Y)

M50

Rear
Tire Size
285/35R21
Load Index
105
Speed Rating
(Y)

xDrive30

Tire Size
245/50R19
Load Index
105
Speed Rating
H

xDrive30

Tire Size
245/50R19
Load Index
105
Speed Rating
Y

xDrive30

Front
Tire Size
255/45R20
Load Index
105
Speed Rating
H

xDrive30

Rear
Tire Size
285/40R20
Load Index
108
Speed Rating
H

xDrive30

Front
Tire Size
255/45R20
Load Index
105
Speed Rating
Y

xDrive30

Rear
Tire Size
285/40R20
Load Index
108
Speed Rating
Y

xDrive30

Front
Tire Size
255/40R21
Load Index
102
Speed Rating
Y

xDrive30

Rear
Tire Size
285/35R21
Load Index
105
Speed Rating
Y

xDrive30

Front
Tire Size
255/40R21
Load Index
102
Speed Rating
(Y)

xDrive30

Rear
Tire Size
285/35R21
Load Index
105
Speed Rating
(Y)