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      02-14-2013, 03:10 PM   #13
335BBS
Brigadier General
Canada
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Drives: 2009 335 coupe.
Join Date: Jan 2010
Location: Toronto, Ontario

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Quote:
Originally Posted by Antartic View Post
I went to the dealer to see what it would take to swap my runflats for non-run flats.

The dealer said that runflats are better for performance for my 335i because the whole handling dynamics of the car was designed based on runflats. He added that the stiffer sidewalls of runflats help maintain their shape during hard cornering.

He agreed that non-runflats are quieter and provide a comfortable ride, but if it is performance that I am looking for (I am) then runflats are my best choice.

Do you guys think he is BSing me, or does he have a point?
WRONG. Salesman is full of it. Sidewalls being this stiff HURT handling. At city speeds they feel more responsive but at speed they are not. Try going through a corner and hitting a bump......car jumps sideways as sidewall is so stiff. We need Captainaudio to explain slip angles again. Sidewalls need to flex more that rft to maintain grip.
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