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      03-21-2022, 02:10 PM   #43
machareus
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Drives: '15 F06 M6 CP, '21 Alpina XB7
Join Date: Dec 2021
Location: North Jersey

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Not to hijack but I have a similar question. I might come across as a total noob here because I know we all should want shorter sidewalls, but I live in North Jersey and the roads are awful. I also occasionally drive in to NYC where the roads can also be quite awful.

When I got my F06 M6 last November it had P-Zero 265/35-20 fronts and 295/35-20 rears. That wasn't a typo on the rears, they were also 35s.

When I got winters I opted for taller sidewalls and went with Sottozero 245-40/20 fronts and 285-35/20 rears. I already knew the car had no issues with 295/35 in the back and so the smaller width for winter fits just fine. The ride is comfortable, and for winter this seemed like a good decision.

Now I am looking at summers and am having trouble deciding what size to get. I want to get PS4S 305s for the rear and 275 for the front, but the question is should I get 305-35/20 and 275/40-20 to have taller sidewalls to better negotiate all of the potholes that are everywhere, or should I stick to 305-30/20 and 275-35/20.

The 295/35-20s rears that came on the car were 4.1 inch sidewalls on the top and the bottom. 305/35-20 would be 4.2, so I think it will fit without a problem.

The question is whether there are other F06 owners out there in North Jersey (or other pothole filled regions of the world) who have had a lot of trouble with ride quality and/or flats running 305/30-20s in the rear.

And I guess a follow-on would be if there are any F06 owners out there with 305/35-20s in the rear (maybe not!!) who think they made a bad cosmetic decision going with such tall sidewalls.

Any advice would be greatly appreciated!

I can follow up with some pictures of the 295/35-20s and my current 285/35-20s if that would be helpful.
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