E46Fanatics - View Single Post - school me tire sizes grip handling square v staggered
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Old 12-10-2012, 04:30 PM   #3
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Join Date: Apr 2011
Location: Yonkers, NY
Posts: 253
My Ride: 05 AW M3
Originally Posted by mkodama View Post
Friction = (Coefficient of friction) x (Normal Force)

translates to:

Grip of your tires = (how sticky your tires are) x (how much force you are pressing down on the tire)

Also, the more pressure you put on rubber, the coefficient of friction drops very lightly. This is why if you have a lighter car or wider/taller tire, you get a little more grip, but the difference is small compared to the difference of tire compound.

You have a big heavy street car, so your best bet is probably going to be fitting the largest and stickiest tires you can inside your wheel wells. Your handling will then be tuned with your suspension and alignment. Your CCWs should be fine for both the application and their size.
Sweet this is all music to my ears thus far I was thinking 295/35 but didnt want to purchase until i get some feedback. I'm not looking to grab a mallet and wack away at my m3 because i bought tires without knowing
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