12-03-2018, 07:58 PM | #1 |
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R888R 315 vs 325 width
(moving to appropriate forum) All,
F10 M5 guys are putting R888R 315's on their factory 10" rear wheels, most showing great results. Since our wheels are 10.5" (12.5mm wider), would one see a benefit from going R888R 325/30/20 (instead of 315)? For comparison, my current 305 SC2's are have a load rating of 103y. 315 R888R's are 101Y, and 325's are 102Y - thus wouldn't the bulge be similar across all 3 widths? |
12-04-2018, 08:18 PM | #4 |
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You could run it, I don't know if it would fit without rubbing the quarter panels but it will work on a 10.5" wheel, is it recommended, no. I run the 315/30/20 NT01 which is pretty much the same tire as the R888R and i get great traction fully modded keeping them below 32psi. The 325 just might be overkill unless you have upgraded turbos and are over 700whp
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12-04-2018, 08:38 PM | #5 | |
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12-05-2018, 03:12 AM | #6 |
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They will grip hot or cold better than any other non R compound tire and they're not bad in the rain, you just have to drive more cautiously. I haven't lost the rear end or hydroplaned on them over the last two winters. I run them 29psi cold on nitrogen so they don't get over 32psi when they warm up.
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12-05-2018, 11:23 AM | #7 | |
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Great data, thank you. My SC2’s have proven to be disappointing. Not nearly as good of a benefit over PSS or PS4 as I was hoping. |
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12-05-2018, 12:38 PM | #8 |
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SCOTT26 "So as an admirer of the M5 and a potential customer of an M5 Touring. I would run naked around the streets of Garching if they were to offer one."
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12-05-2018, 02:11 PM | #9 | |
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12-05-2018, 06:33 PM | #10 | |
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Right now I’m 40% 1st, 20% 2nd and it will hook after warmed up or driving around for a few miles. BM3, DP, and drop in filters are only mods |
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12-05-2018, 07:08 PM | #11 | |
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