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      07-20-2009, 05:34 AM   #11
bobbyd1961
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Drives: 2009 M3 sedan LeMans Blue
Join Date: Jun 2009
Location: new jersey

Posts: 2,411
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Quote:
Originally Posted by TRZ06 View Post
I don't understand why the 18's would handle better than 19's.

The 19"s have a lower profile sidewall to keep the tire from rolling too much during hard cornering, thereby keeping more tire to the ground. The lower profile makes the car feel more stable and planted with less roll.

I don't get why a 40's series tires is even offered on the M.

Look at all the Ferraris, Porsches, Lambo's, Corvettes, they are using anything from 35 down to 25 series.

They ONLY reason I can see is weight. If you take the weight out of the equation, I would think a 35" 19" would corner better that a 40" 18"

Comments......?
the 19 rims so much nicer and the car handles fantastic and takes bumps 1000 times better than my 335 xi did with 18s
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