06-04-2020, 11:04 AM | #45 |
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Off topic, M2 looks best in Sunset Orange, but you know this.
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06-04-2020, 11:12 AM | #48 | |
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06-04-2020, 11:12 AM | #49 |
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BMW had a similar waiver for the e46 BMW M3 CSL.
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Last edited by The Automotive Enthusiast; 06-04-2020 at 01:23 PM.. |
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06-04-2020, 11:14 AM | #50 |
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I ran cup2s on a focus rs. Heavily modified but even stock the tires, even with AWD, felt scary in the rain.
Great great tire for dry grip but horrible in any other situation. |
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06-04-2020, 11:16 AM | #51 | |
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Drives: 2020 M4 ZCP / 2023 X3 M40i
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06-04-2020, 11:26 AM | #52 |
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Keep the cup2 for the track and run the ps4s on the street,
But they are are both summer tires and if you plan on using the car in the winter consistently, then you need set of winter tires, otherwise good luck getting up your driveway slope on a frosty day! |
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06-04-2020, 11:31 AM | #53 | |
Luxury at the redline :)
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06-04-2020, 12:36 PM | #54 |
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A lot of people upgrade to 295s on stock 10" wheels on the F80/F82 platform. I did it myself on my M4 Comp and even going from 285 to 295 was a big improvement in terms of traction. Did not notice any complications at all. If I still had my M2C, I was going to put 265/30 front and 295/30 rear on my 763M wheels once my stock tires are dead. Also, F10 M5 came with 295s on 10" wheels from the factory
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06-04-2020, 12:44 PM | #55 | |
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06-04-2020, 12:52 PM | #56 | |
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06-04-2020, 01:18 PM | #57 | |
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And on a track the shoulders of the Cup2s last for about 20 minutes if you don't have serious negative camber. In contrast, I find the P4S to be a much better all-rounder. The grip is much better than the regular PSS and the wet performance is streets ahead. Of course, it helps that I'm running 275/30r20 and 295/30r20 |
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06-04-2020, 02:21 PM | #59 | ||
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The 285/35 is an even worse choice than the 275, as it's 25.8" tall, the same as the front tire, so you're losing rake, and also creating some minor handling issues that would need tweaking. I'm going to agree that in the PSS the 295/30 would have been a good rear choice, but for balance the front would have needed to be 265/35, which is .3" taller than the rear, giving you the same rake and inherent handling issues. With regards to using the PSS, they chose the overall best sizes. No Summer tire does, that's why they call them Summer tires. It's only the guys that try to use Summer tires as All Season tires that have issues. But it's certainly possible since they have the 19/20 763M from the M3/M4 CS. Quote:
This would literally depends on the make/model of the tire you choose. |
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06-04-2020, 02:44 PM | #60 |
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I'm pretty sure I had to sign a waiver when I purchased a 2005 545 with summer tires. Either that or it was a 2001 Audi with summer tires. This is not uncommon.
And I would argue that PS4's at 35 degree's, dry roads, in south with stronger sun will brake and handle better than snow tires at 35 degrees. The one true kryptonite is snow, ice and freezing. The rubber on a summer tire will turn rock hard. Last edited by bjcarls; 06-04-2020 at 02:52 PM.. |
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06-04-2020, 03:35 PM | #61 |
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I'm not surprised. This is the US after all, people sue for coffee being hot
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06-04-2020, 03:56 PM | #62 | |
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Paraphrasing—- it gets cold here so I'll switch to MPSS4's for the winters. Result- Hey guys, I slid off the road in cold weather and nailed a father and his kid walking down the sidewalk ...but I had my winter PS4's on can somebody explain why? |
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06-04-2020, 04:11 PM | #63 | |
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It rarely drops below 10°C (50°F) in winter here but even still my Cup2s are essentially gripless when cold. Once warm, however, they are significantly better than the original MPSSs in terms of dry grip. I do more track kms than road so for me, with camber plates, the Cup2s are an easy choice. The outer edge of the tyre wall apparently has reinforcement and they actually last MUCH longer on track than MPSS. I think the comments on this thread about excessive Cup2 track wear refer to standard camber cars combined with over-driving. From what I have seen of other cars at track days a driving style that is excessively late on brakes and basically force the car around the corner unbalanced leaves massive tyre wear. An Alfa Guilia QV at a Phillip Island track day last year got only 2 sessions (40 minutes!) out of brand new P-Zeros before hitting canvas- I followed him a few corners and he was really chucking the car around then correcting and re-correcting with massive understeer. Had the bloke slowed down more and balanced the car before turning in he would have been faster overall and his tyres would have lasted a few track days. These are the blokes that then complain their tyres are shit... I'm with other comments here - Cup2s for track and Pilot Sport 4S for road. Cup2s definitely not for a daily driver. And at $2200AUD a set for my size Cup2s, fitment of camber plates will absolutely be your best investment as they extend track day longevity by 2 or 3 times. The camber plates pay for themselves after 6 months of regular track days. |
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06-04-2020, 06:29 PM | #64 | |
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06-04-2020, 06:38 PM | #65 | ||
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In the unfortunate event that you are involved in an accident on summer tires during temperatures or conditions they are clearly not designed for I hope you're held accountable as being negligent. Summer tires are always noted by their manufacturers in regards to their operating temperature. A personal experience, don't worry I didn't forget about that. A tractor-trailer ran a red light in front (perpendicular) of me when I was on my MPSS's... even with all The safety features of my M235 (back in 2014) it did not allow me to stop in time. I was about 2 feet too long in stopping. It was an early cold snap in September... unusual for the area I was in. Had I had my winter tires on I would've stopped in plenty of time. They are called SUMMER tires for a reason. |
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