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      01-17-2025, 01:47 PM   #2
machareus
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Drives: '15 F06 M6 CP, '21 Alpina XB7
Join Date: Dec 2021
Location: North Jersey

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My summers are 305/35-20 in the rear and 265/40-20 in the front. I have no issues with the back and occasionally I hear what I think is rubbing in the front, normally doing 90 degree turns at low speed over bumps, but I haven't seen any abnormal wear on my tires.

I chose 265/40 for the front because it kept the front/rear overall tire height closer to even. OEM is 0.3 inches taller in the front, I am 0.1 inches taller in the rear. What you're suggesting will be 0.8 inches taller in the rear which is exactly 3% difference so should be okay and you won't have the occasional rubbing up front.

I drive a stock suspension F06 with the comp package.
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