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12-03-2011, 12:13 AM | #1 |
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255/35-19 and 285/30-19: Any Rubbing?
This would be on BMW GTS wheels, 19x9 and 19x10. Stock non-ZCP suspension.
I'm pretty sure the answer is "No rubbing." based on reading and searches but I want to be sure before I drop money on the tires. Thanks
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12-03-2011, 04:28 AM | #2 |
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If you've searched then I'm assuming you found this thread:
http://www.m3post.com/forums/showthread.php?t=615025 See post #7 for a picture of zcp/GTS wheels with 255/35 and 285/30 tires. Once winter is over this is the setup I plan to use and I'm hoping by then Michelin will have finally released the PSS in the rear 285/30 size. |
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12-03-2011, 11:04 AM | #3 | |
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I am staying with the stock 245/35 front size and going to a 285/30 rear. This will give identical F/R tire diameters. I am running 12.5mm spacers on the front and this should offset any increase in understeer caused by increasing the rear tire width while keeping the front the same. This is on ZCP wheels.
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12-03-2011, 12:40 PM | #4 | |
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12-03-2011, 01:36 PM | #5 |
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Thats my car in the pics...a new one for you guys..
The difference in intrusion between the OEM setup and this setup of the DSC is minimal. I have had this setup on the car since the car only had 1200 miles on it. If I felt it was a big deal I would have done away with it...its not that big of a deal. The DSC still lets you still get a little sideways, but if you keep the steering wheel at a good input it will shut you down a tad earlier...not much. Oh, the M3 GTS also has this setup. Dave
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12-03-2011, 01:37 PM | #6 | |
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12-03-2011, 05:05 PM | #7 | |
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12-03-2011, 07:30 PM | #8 |
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I'm going to go with P-Zero Corsas, the tire on the GTS. The 255/35 and 285/30 have the same diameter (don't ask me, those are the specs apparently).
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12-03-2011, 08:39 PM | #9 | |
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12-04-2011, 10:21 AM | #10 | |
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I was also considering a 285/35 size in the rear because the sidewall and height is better balanced with a 255/35 front tire. I was hoping to run the re-11's on oem 19s. I currently have re-11 in stock sizes and love them. But they do appear to be a bit stretched and were a son of a bitch to install bc they are so stiff Any pics of your setup? Id love to see it
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12-04-2011, 10:55 AM | #11 | |
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12-04-2011, 01:51 PM | #12 | |
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245/35/19: 19" wheel = 482.6mm sidewall = 245 x 0.35 = 85.75mm total diameter = 482.6 + (85.75 x 2) = 654.1mm 285/30/19: 19" wheel = 482.6mm sidewall = 285 x 0.30 = 85.5mm total diameter = 482.6 + (85.5 x 2) = 653.6mm 255/30/19: 19" wheel = 482.6mm sidewall = 89.25mm total diameter = 482.6 + (89.25 x 2) = 661.1mm The 245/35 and 285/30 are within 0.5mm of each other. the 255/30 is 7mm larger.
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12-04-2011, 02:01 PM | #13 |
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I'm going to switch from 275/35 to 285/30 as soon as it's available in the Pilot Super Sport. I think that 285/30 is the optimum width for a 10" rim. I like the idea of a slightly smaller diameter. It will give me a hair more torque coming out of the hole.
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12-04-2011, 04:20 PM | #15 |
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Also the 285/35/19 is to tall, the 285/30/19 looks better as well.
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12-04-2011, 06:00 PM | #16 | |
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12-04-2011, 07:02 PM | #17 |
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I'd go 265/35/19 fronts, 285/30/19 rears. Pilot Super Sport set-up.
Info - to everyone who doubts, yes they now have 265/35/19 PSS tires. They were released a couple weeks ago. |
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12-05-2011, 04:39 PM | #18 |
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Agreed, but you will rub ever so slightly with 295's on the stock ZCP wheels. Also, a 295 tire is starting to get heavy, and you really need a lighter wheel to compensate.
The ultimate wheel/tire set up for the M3 is BBS FI with 255/295 Michelin PSS.
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12-05-2011, 05:24 PM | #19 | |
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As far as weight goes....I'll be reducing weight by 6lbs per wheel with WedsSports. Realizing the 295 Hankook rubber will most likely weigh a bit more than the 265 Michelin OEM's. |
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12-06-2011, 06:27 PM | #20 | |
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While different tire brands may be slightly different in their real dimensions for a given size, there is consistency within a particular model of tire. So unless you are using one brand of tire up front and a different one in the rear, the measurements should still give you the proper F/R tire sizes relative to each other.
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12-06-2011, 06:42 PM | #21 |
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That's exactly what I'm going with lol.
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12-06-2011, 07:04 PM | #22 |
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This is a good guessimator that I use...Sorry if it has been posted already.
http://www.1010tires.com/TireSizeCalculator.asp
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