2018 BMW X4 Tire Sizes

Factory original equipment (OE) tire specifications.

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M40i

Front
Tire Size
245/45R19
Load Index
98
Speed Rating
W

M40i

Rear
Tire Size
275/40R19
Load Index
101
Speed Rating
W

M40i

Front
Tire Size
245/45R19
Load Index
98
Speed Rating
Y

M40i

Rear
Tire Size
275/40R19
Load Index
101
Speed Rating
Y

M40i

Tire Size
245/45R19
Load Index
102
Speed Rating
V

M40i

Front
Tire Size
245/45R20
Load Index
103
Speed Rating
Y

M40i

Rear
Tire Size
275/40R20
Load Index
106
Speed Rating
Y

M40i

Front
Tire Size
245/40ZR20
Load Index
99
Speed Rating
(Y)

M40i

Rear
Tire Size
275/35ZR20
Load Index
102
Speed Rating
(Y)

xDrive28i

Tire Size
245/45R19
Load Index
102
Speed Rating
V

xDrive28i

Front
Tire Size
245/45R19
Load Index
98
Speed Rating
W

xDrive28i

Rear
Tire Size
275/40R19
Load Index
101
Speed Rating
W

xDrive28i

Front
Tire Size
245/45R19
Load Index
98
Speed Rating
Y

xDrive28i

Rear
Tire Size
275/40R19
Load Index
101
Speed Rating
Y

xDrive28i

Front
Tire Size
245/40R20
Load Index
99
Speed Rating
Y

xDrive28i

Rear
Tire Size
275/35R20
Load Index
102
Speed Rating
Y

xDrive28i

Front
Tire Size
245/45R20
Load Index
103
Speed Rating
Y

xDrive28i

Rear
Tire Size
275/40R20
Load Index
106
Speed Rating
Y