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2019 BMW Z4 30i w/ M-Brake — 255/40R18

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2019 BMW Z4 30i w/ M-Brake

Factory size
255/40R18 / 275/40R18
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Front: 255/40R18Rear: 275/40R18

2 front + 2 rear

What size tires does the 2019 BMW Z4 30i w/ M-Brake take?

The factory tire sizes for the 2019 BMW Z4 30i w/ M-Brake are 255/40R18 in front and 275/40R18 in the rear.

This trim is also listed with 255/35R19 front and 275/35R19 rear. Check which one your vehicle has.

Factory tire sizes and ratings
WheelsSizeLoad indexSpeed rating
Front255/40R18——
Rear275/40R18——
Front255/35R19——
Rear275/35R19——

Confirm the size printed on the sidewall of your current tire or on the tire placard in the driver's door jamb before you buy. Replacement tires should meet or exceed the vehicle's load index and speed rating.

BMW Z4 tire sizes for every year

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