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04-24-2012, 02:03 PM | #23 | |
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You would be surprised how much of the mid corner understeer you can remove by a larger front footprint. Totally disagree that the 245/265 setup is ok even at stock power levels. Thats my "opinion"... Dave
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04-24-2012, 06:08 PM | #24 |
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Gotta say that one of the first things I noticed when I got my M3 was that the car just needed more outright grip. However, if you want to stay with exactly the same overall tire diameter and stagger and go to wider tires, you will need to go to a 285/305 set-up. I do not believe 285's will fit in front regardless of what wheel configuration you use. Also, when you go wider in front, you lose steering feel and responsiveness.
I'm thinking 255/295 is probably the way to go. Good rear width. Front width not so much as to diminish responsiveness, equal front and rear diameters for 255/35 and 295/30 on 19" wheels. Not sure how much more understeer you will get with this set-up, however. What do you all think?
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04-24-2012, 06:28 PM | #25 |
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Sounds like a fine setup. But you can run 285's with the right wheels/spacers and maybe mild fender rolling. Hell I've seen guys run 275 true slicks front without rolling the fender and 275 slicks are every bit as wide as 285 street tires.
I don't put too much thought into keeping the diamaters exactly right as long as they are close. There are a bunch of track guys running the same tire front and rear (275/35 or so) without ill results. |
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04-24-2012, 06:34 PM | #26 | |
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04-24-2012, 06:51 PM | #27 | |
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04-24-2012, 06:52 PM | #28 | |
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Those cars are set up from the factory to understeer at the limit - which is supposedly a safeguard for novice drivers to not crash since it's easier for noobs to just back off the throttle when understeering than regain control in an oversteer situation. The E90 chassis just like the E46 before it greatly benefits from bigger tires up front. That's a fact too ^^ |
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04-24-2012, 06:58 PM | #29 | |
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04-24-2012, 07:12 PM | #30 |
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Ha why would you care about the added 2 lbs if you don't track your car? There are a fair number of E92 M3 folks that track them. It's pretty unanimous that the stock setup understeers.
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04-24-2012, 07:15 PM | #31 | |
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Anyhow; there is no rubbing whatsoever with the popular 18" 265/285 setups and I wouldn't be surprised if the wheel/tire combo ends up weighting the same if not less than the heavy OE19/ZCP wheels with OE size tires. |
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04-24-2012, 08:00 PM | #33 |
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Less weight means better steering responsiveness as well as a much better ride.
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04-24-2012, 10:46 PM | #34 |
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I think the best setup is also going to depend on what wheels you are running. On the ZCP wheels a 255/285 IMHO is the best setup. Now you move up to a 9.5" front and 10.5" rear then I would move up to a 275/295 setup. If you move on to a lighter set of wheels to offset the slight weight gain it would be even better.
If I shave 2lbs per wheel yet gain 2lbs in tire weight but able to go to wider sizes guys how can this not be a good thing. Dave
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04-24-2012, 10:49 PM | #35 | |
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Ben at TireRack even mentioned that the M3 really isn't that sensitive to tire diamater as long as you don't go crazy. Also, its not just about how much better the car handles...it just looks so much better. Those look like dump truck tires to you? Dave
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(Sold)2013 M3 Coupe-MR/BLK ZCP, 2011 M3 Coupe-MR/Blk 2007 Porsche 997C2S Speed Yellow/Blk sport seats 2004 BMW M3 Imola/Blk Last edited by Dave07997S; 04-25-2012 at 01:29 PM.. |
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04-24-2012, 11:00 PM | #36 |
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How wide are those wheels 8.5/9.5? if you went to a 10 or 10.5 or 11 wide would you notice a difference (both look and feel)?
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04-24-2012, 11:22 PM | #37 |
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Rubbing is not a issue.....I just proved that last week. I'm running a 265/30 up front and a 295/30 in the rear. My DSC has not blinked since I changed the set up. There seems to be a lot of mis-information about this. These cars are not that sensitive.............Phil
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04-24-2012, 11:51 PM | #38 | |
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04-24-2012, 11:56 PM | #39 | |
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http://www.m3post.com/forums/showthread.php?t=676555
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04-25-2012, 04:14 AM | #40 |
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04-25-2012, 05:21 AM | #41 | |
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It's a really interesting thought process that I hadn't considered before. |
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04-25-2012, 05:24 AM | #42 | |
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04-25-2012, 05:31 AM | #43 | |
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04-25-2012, 01:29 PM | #44 |
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BTW guys, sorry for the pic of my son at the range. Didn't mean to post that...
Dave
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