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      12-12-2019, 03:43 PM   #11
tyh77
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Drives: BMW 440i xDrive Gran Coupe
Join Date: Jul 2019
Location: Seattle, WA

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Quote:
Originally Posted by larrylam646 View Post
Hi Tim,
I run with Conti SportContact 5P 275/35-19 in the rear (original M3/M4 tire) which has a rev. per mile of 781 (vs 778 for the front) for a ~ 0.4% difference.
Larry
Quote:
Originally Posted by larrylam646 View Post
I did not think that was a good thing and replaced the fronts with the 245s.
Larry

So you also got Conti SportContact for your fronts, but in 245/40 or 245/35?

I would get 235 for my front, but the Hankook Ventus V12 evo2 tire that I'm currently running only has 245/40 and 225/40 (next size down)... but no 235. If that is the case, I'm debating to just switch to 275 in the rear (275/35/19) to stay within 1%... and if the car is truly rear-biased, then the difference in diameter would reduce over time.

Seems like 225/40 for the 8.5" wide rim is the absolute minimum for these Hankook tires - it wouldn't offer the same comfort as 245 and protection for the rim from pot holes.

I have the option to stick with 245 and go larger in the rear since the dealer just discovered the root cause of rubbing - seems like the front assembly was incorrectly repaired in the past
Appreciate 0