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I ask b/c I was reading an article about the Z4 and they referenced that it was using 18" wheels which helped significantly in lateral stability. (believe it was C&D) anyways, got me to thinkin... Everyones all the time talking about running wider smaller diameter tires.. but if you can also increase contact patch front to back, that should put more shoulder on the pavement mid corner when the tires are using mostly shoulder and not the inside of the tire so much.
So would running 17" wheels with 50 profile tires be better as long as sidewall deflection was kept to a minimum, maybe by using a skinnier tire, and stretching them a bit?
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