Hello,
A representative at Apex suggested a 235 by 40 by 18 tire for my 2012 (E92) 328i Coupe but a representative from TireRack stated they could not confirm fitment with this tire size for my vehicle. Does anyone here run this setup? BTW, this will be a square setup.
235 will be slightly stretched on a 9" but it'll work. just means you wont have much sidewall protection so need to be careful of curbs. ideally you'd run 235 on a 8.5" but assuming you went with 9's for the convexity. if you're willing to run some camber up front, you could go with 255/35-18 which is a better fit. more grip, more sidewall protection and maintains the factory rolling diameter of 25" (whereas 235/40 is 0.3" taller). but w/o camber, you may encounter some rubbing.
Hi there,
While we do recommend the 235/40-18 as a direct fitment, this will be slightly stretched. Alternatively, you can run the 245/40-18 and 255/35-18.
The 245/40-18 is a touch tall (+2.4% or 0.6"), but will provide solid sidewall support on a 9" wheel.
The 255/35-18 is the best option, at 0.1" short (-0.4% difference over stock). This is a bit aggressive up front and might require a 5mm spacer to aid in clearance to aftermarket suspensions that rob inner clearance.
I hope this provided a bit more clarity!
- Max on behalf of Eddy
925-245-0773 /// info@apexwheels.com
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