Thread: Official EPA Range Figures for i4 & i4 m50
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      02-19-2022, 10:48 AM   #30
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Drives: 2015 435i
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Originally Posted by mbchris View Post
Why do the 20s have such poor range? Wheel and tire weight? Stickiness of tire?
Rolling resistence (weight, tire compound, size of contact patch).
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