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      10-12-2018, 12:14 PM   #1
jns_e85
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Anyone run a 265/40/18 tire on the FRONT of a Z4M?

Just curious to see if anyone has run this size tire on the front of a Z4M before (with modified suspension of course).

A friend of mine has Yokohama AO52s and swears by them for autocross duty. Looking at prices, there is a huge difference between the 265/35/18 that I know will fit over the 265/40/18 size he runs on a 350z. ($325 for the 265/35 and $250 for the 265/40).

FWIW I am on FA 500's lowered about an inch with a butt load of front camber (-3.4 front). Set up is intended for regional autocross duty on a tire limited BSP set up. Intended wheel size is 18x9.5 et 35
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      11-05-2018, 02:53 PM   #2
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Quote:
Originally Posted by jns_e85 View Post
Just curious to see if anyone has run this size tire on the front of a Z4M before (with modified suspension of course).
I ran 245/40/18 RS4s and they rubbed the front fender liner (running 1/2" lower than stock, 2.5 degrees of camber and max caster). There is a good chance the 265/40 will rub even more unless you run stock ride height. I'm going to 265/35/18 Trofeos on the same spec wheels for next year because of this.
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      11-05-2018, 08:26 PM   #3
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Quote:
Originally Posted by jns_e85 View Post
Just curious to see if anyone has run this size tire on the front of a Z4M before (with modified suspension of course).

A friend of mine has Yokohama AO52s and swears by them for autocross duty. Looking at prices, there is a huge difference between the 265/35/18 that I know will fit over the 265/40/18 size he runs on a 350z. ($325 for the 265/35 and $250 for the 265/40).

FWIW I am on FA 500's lowered about an inch with a butt load of front camber (-3.4 front). Set up is intended for regional autocross duty on a tire limited BSP set up. Intended wheel size is 18x9.5 et 35
At that price you might as well just ante up for the purple crack since you're already in BSP.
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      11-05-2018, 09:11 PM   #4
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While I agree, and purple crack is tempting, I'm not sure I'm ready for them ability wise. I haven't maximized the BSP build yet either, and would get a front sway before A7s. Still learning the limits!

Further complicating the matter is BSP isn't a popular class locally to me, so if I want competition it makes more sense (and more cost effective) to run in a tire limited class with the BSP index. Also, running Hoosiers will bump me up a class with the local BMW club, and I would have to compete with guys in stripped out SM equivalent cars
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      11-07-2018, 04:40 AM   #5
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Curious as well
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