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      06-12-2021, 09:56 PM   #1
SkyeC
Too many cars, not enough time
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Drives: 17 m240i
Join Date: Aug 2019
Location: 925

iTrader: (0)

Cool 235/40 vs 245/40 vs 255/35

Hey all,


I've tracked my M240 3-4 times now on 245/35 Conti ExtremeContacts but it's about time to let them go and I'm interested in moving to 200tw's. Car is a weekend/fun car so not really concerned about rain/cold/whatever. Nothing is available in 245/35 however.


Setup: 8.5" +45 square wheels with a 5mm spacer in front, ST XA coilovers, Millway camber plates and currently aligned to -2.5F/-2R.


Leaning toward 235/40 RT660 right now since they're no skinnier than my 245/35s that are on the car right now, and 235 seems a bitter fit to an 8.5" wheel than a 255/35, etc...


All 3 sizes are within $20/tire of each other.


What say you, autox/track dudes? (And no, not in the mood to buy a set of 17x9 +42s with 255/40-17s although that's probably the best answer.)



Conti 245/35 as a comparison point
Zero rubbing, ever
Sec width 9.8"
Tread width 8.6"
Diameter 24.8"


Falken RT660 235/40
9.6"
8.7"
25.4"


Hankook RS4 245/50 (Falken out of stock)

10.1"
9.9"
25.6"


Falken RT660 255/35
10.4"
9.3"
25"


'
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FOR SALE: 2017 ///M240i, 6 speed, slick top, Estoril Blue. https://www.2addicts.com/forums/show....php?t=1865469

Last edited by SkyeC; 06-12-2021 at 10:02 PM..
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