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08-17-2020, 07:38 PM | #1 |
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Size matters- what would you do with this set
All- I just picked up a mint set of BBS CH-R wheels.
The fronts are 19X9 ET 20 Rears are 19X10.5 ET 25 The fronts have a new set of 245/35 MPSS Rears are stretched and worn 4/32nd 265/35 MPS. I have a new set of 255/35/19 MPS4s maybe I can use them for the front and buy 275/35/19 rear? Given this info what would you guys run for tires? Here they are...
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08-17-2020, 09:39 PM | #2 | |
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08-17-2020, 10:33 PM | #3 |
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^^^^ won't 255/35/19 rub with a 9" wheel and 20ET?
My 255/35s rubbed bad with 220Ms and a 15mm spacer. I'm also hesitant to run a 295 in the rear because of inducing more understeer (I track the car approx 6 times a year) and because I don't like how the blocky sidewall looks. If 255s work upfront I'm thinking 275/35 or 285/30 for the rear.
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08-18-2020, 08:45 AM | #5 | |
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I had no issues but of course do whatever makes you feel best. They're consumables and if you track you'll want to get off 19s anyhow. Good luck!
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08-18-2020, 09:48 AM | #6 |
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^^^^ really good to hear. Your CH-Rs are 19X9 25et?
Looks like your toyo's have the exact same overall diameter as MPS4S.
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08-18-2020, 02:14 PM | #7 | |
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The Proxy4 is all season tire. Pretty garbage to be honest but it keeps me from driving like an asshole on the street. Run 18" 275/295 on the track.
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08-19-2020, 09:51 AM | #8 |
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Almost exactly the same setup as mine. 19x9 o/s 20, 19x10.5 o/s 22 with 255/35 PS4S, 295/30 PS2. I have 5mm spacers on the front. Front is perfect with no rubbing and a slightly stretched look for the tire. Back does have a more square look, and does bottom out on big dips. I have found that the tires create a sudden transition from under to over-steer that can cause severe butt-clenching if not paying attention. Not sure if that is a function of the tire sizes or the tire models being different. To me the optimum size for the rear would be 285/30 on a 19x10.5 - cant wait to wear out the rears so that I can buy new ones!!
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2010 M3 "Edition" model - Monte Carlo Blue/black, (1 of 13) MODS;255/35/19 and 285/30/19 Michelin PSS, Volk G25 wheels, MC V2 GTS lip, Eventuri plenum/intake/airbox lid, M Performance exhaust/spoiler/steering wheel
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08-19-2020, 10:04 AM | #9 | |
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08-19-2020, 11:56 AM | #10 | |
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Ha...I know all about the "butt-clenching", from when I used to track a Miata with a square set of 225s. Plowing and potential snap oversteer is exactly what I want to avoid with this car. 285/30s look like rubber bands wrapped around the wheels and the F to R ratio doesn't look right due to the 1/2 diameter difference from 255/35s and 295s look like square rubber bands. Not a fan of the squished block look and the understeer and the potential snap oversteer that comes with that ratio. So given that and after looking at many pics of 285/295/30s I'm thinking 255/35 front 275/35 rear to retain OEM like handling characteristics and a balanced front to rear look. Only thing I don't like is the "stretched" look of 275s on a 10.5 rim.
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08-19-2020, 01:56 PM | #12 |
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No, my tire replacement schedule is out of sync - new fronts 2 years ago and new backs 4 years ago. They don't make PS2's anymore.
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2010 M3 "Edition" model - Monte Carlo Blue/black, (1 of 13) MODS;255/35/19 and 285/30/19 Michelin PSS, Volk G25 wheels, MC V2 GTS lip, Eventuri plenum/intake/airbox lid, M Performance exhaust/spoiler/steering wheel
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08-19-2020, 01:57 PM | #13 |
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Very likely the oversteer culprit. Careful on old tires.
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08-19-2020, 02:08 PM | #14 |
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255/35 and 275/35 will maintain stock stagger and a lot of people go with that successfully. If you are concerned about a stretched look with a 275, don't forget that the M3GTS sizes are 19x9 with 255/35 and 19x10 with 285/30. However, don't go to 285/35/19 - definite rubbing.
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2010 M3 "Edition" model - Monte Carlo Blue/black, (1 of 13) MODS;255/35/19 and 285/30/19 Michelin PSS, Volk G25 wheels, MC V2 GTS lip, Eventuri plenum/intake/airbox lid, M Performance exhaust/spoiler/steering wheel
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08-20-2020, 04:34 PM | #17 |
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Exactly. That "rubber band" look is what I'm looking to avoid. I want the rears to be as beefy as possible, why I'm thinking 275/35/19.
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09-15-2020, 08:06 PM | #18 | ||
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09-15-2020, 08:55 PM | #19 | |||
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I don't know what to tell ya man, there are 100x folks on this forum with 255/35/19s on the front. That's literally BMW size for the GTS. Sounds like you went with 245?
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09-15-2020, 10:02 PM | #20 |
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^^^^ yes 19x9 et20 CHRs up front. They came with 245/35s and you can see just how close they are from rubbing. And I hear you man, but it sure doesn't look like 255s will fit.
I had 255/35s on my OEM 220m wheels with 15m spacers and they rubbed a lot. I just had the car aligned to factory specs too.
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09-16-2020, 05:50 AM | #21 |
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Has the car ever been in an accident up front? Or maybe the fender liner isn't installed/secured properly?
I'm running Apex 9.5x19 ET22 up front with 255/35-19 PS4S and have no issues with rub at all. Rear is 10.5x19 ET22 with 275/35-19 PS4S also with no rub.
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09-16-2020, 10:38 AM | #22 |
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No accidents and the liners are installed correctly. 255/35/19 just barely fit with my 220M wheels and no spacers. Don't think anything changed for 2013. I'll attach my alignment specs a little later today.
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