01-31-2021, 04:59 AM | #23 | |
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The Cup 2 Connect are amazing. Not sure they are a real track tyre though. More an extreme road tyre. Love them so far. |
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MadBimmeRad7134.50 |
01-31-2021, 08:24 AM | #24 | |
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So I ordered some of the gold wheels(because they look so good!) and mounted some All Season tire(Conti DWS). Just put them on yesterday and very happy! I'll save the Cup 2 set up for summer use.
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kyrocks1070.50 |
01-31-2021, 09:03 AM | #25 | |
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In July 2020 one of the first delivered M2 CS cars crashed on the Nürburgring (see the dedicated thread here). Driver lost control upon exiting the 'Foxhole' ('Fuchsröhre' - a fast downhill section of 'The Ring'), hit the guardrails on the right ('shaving' alongside with the passenger side) and came to a halt at 'Adenauer Forst'. The car has been repaired in the meantime. Luckily red 2NH brakes instead of the yellow CCBs, or the repair bill to be footed would have been worse.
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MadBimmeRad7134.50 |
01-31-2021, 09:35 AM | #26 |
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Best way to use your Cup 2's during the winter!
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MomoM31012.50 MadBimmeRad7134.50 |
01-31-2021, 10:20 AM | #27 |
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You buy a CS for the performance. The cup2's have a great influence in that performance. The question to me is a tad absurd considering the intended purpose of the car. These things are meant to take on track! If you get some fling or paint scratches; that's the cost of doing business with any performance car...putting a less grippy tire on a CS is counterproductive. Just the way I see it.
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Gunnerforlife353.50 MadBimmeRad7134.50 |
01-31-2021, 10:27 AM | #28 |
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I guess I could have rephrased it form the perspective of between cup2s and pss are the cup2s that much more sticky and capable of throwing that much more road debris than the pss
I’ve never been to the track and would be surprised if I take my cs there even once but that’s just me |
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01-31-2021, 11:01 AM | #29 | |
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Put another way, if the tire performs perfectly at 80° tarmac temp but gets greasy at 115° tarmac temp it's a street tire. But if the grip increases with the heat, it's a comp, or street/comp tire. |
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01-31-2021, 01:55 PM | #30 | |
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01-31-2021, 02:14 PM | #31 | ||
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Edit: I'll add video....what sounds better, the PS4S or the tuned N54? LOL. The day started with frost, hence no race rubber.
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01-31-2021, 07:10 PM | #32 |
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Even on track the Cup 2 requires a warm up phase before giving its best...the PS4S has grip pretty much from the get go so it will be grippier than the Cup 2 99% of the time on the street
I haven't even mentioned rainy days or what's even worst, COLD rainy days |
01-31-2021, 07:22 PM | #33 |
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I just got back from a 150mi trip on wet roads in 36 degree weather. The cup2s are fine after 15min of driving if you started with 50 degree ambient. It takes about 20min if starting in low 40s. This isn't from my seat of the pants test. I have the track connect sensors. The TPMS reported temps are worthless.
I'm certain the PS4S is a better tire for cold wet weather, but summer tires in cold weather, not freezing, is beginning to reach urban legend status. If the roads aren't frozen, and your starting out with tires that aren't frozen, then don't worry about it. Just don't drive like jackass for the first 20min. 29min to get all tires into green zone. At 25min they were all about a degree low 77 degrees. This run was with almost no braking to get heat in the tires. Directly onto the highway. In town they heat up more quickly from braking. The TPMS read 60 degrees. Last edited by medphysdave; 01-31-2021 at 07:31 PM.. |
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CSBM52842.50 MadBimmeRad7134.50 |
01-31-2021, 08:00 PM | #34 |
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I can't believe we have a thread that is discussing neutering the CS, one of maybe the best BMWs ever offered, with lesser tires because those spec'd on the car might kick up a few pebbles. Warm them up a bit and go for it. If you are driving in winter, get a set of snows.
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01-31-2021, 10:29 PM | #35 |
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I think neutering is a little much eh lol - I was simply asking since this car came with two tire choices.. pilot super sport or cup 2s.. should I have gone with pilot super sport if I'm concerned about damage to the paint caused by the cars own debris
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01-31-2021, 11:49 PM | #36 | |
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02-01-2021, 05:55 AM | #37 | |
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If anything, when it's well above 100 deg, road surface can easily be 20 degrees hotter meaning we lose rubber fast when under prolonged heavy stress of a spirited drive. I can't imagine getting excellent life expectancy from Cup2's under those conditions. Having said that, I still opted for Cup2's anyway. Only time will tell.
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02-01-2021, 06:02 AM | #38 | |
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02-01-2021, 07:22 AM | #39 | |
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02-01-2021, 08:08 AM | #40 | ||
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"BEFORE TAKING DELIVERY OF YOUR BMW M2 CS, PLEASE ACKNOWLEDGE THE FOLLOWING TIRE CHARACTERISTICS AND LIMITATIONS BY SIGNING BELOW. Quote:
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M Hybrid V81059.50 MadBimmeRad7134.50 |
02-01-2021, 09:15 AM | #41 | |
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MadBimmeRad7134.50 M Hybrid V81059.50 |
02-01-2021, 10:37 AM | #42 |
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But true that once they're properly warmed up, with mild/warm outside temperatures, on a dry road or race track, the Cup2 are king.
But also have a look here: part 1: part 2 - reporting a response by Michelin (bottom-line: regularly swap the front wheels between track sessions):
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02-01-2021, 11:02 AM | #43 |
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It's been beaten to death at this point, but again, pay attention to that BMW waiver for the Cup 2's. Pay attention to all the people that have ran Cup 2's before on a DAILY DRIVER. Not a weekend car. You do not want to be running these tires on a DD unless you live in area with year round 80f+ temps. Even then, be prepared for twice the replacement costs over a UHP summer tire as they just don't last.
And, IMO, I think people are risking the lives of everyone on the road if you are driving your car around with Cup 2's in sub-60f temps. Under freezing they risk cracking. Under 20f they crack without even being mounted on a car! They are hockey pucks compared to the PSS, and take forever to warm up even if it's a hot day outside. They are the type of street legal tire that you mount on a vehicle you only drive on nice days, or a drive-to track event type tire. This is why they take so long to warm up. They are meant for the track. As for sacrificing performance by not running something like Cup 2's or star specs on a daily driver - That's just laughable. You might as well say running an extreme category tire like the Cup 2 is sacrificing performance because you aren't running slicks. A modern UHP category tire like the Pilot Sport 4', Extreme Contact Sport, etc, all give go-to-jail levels of grip on the street as it is. Last edited by mchart; 02-01-2021 at 11:07 AM.. |
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MadBimmeRad7134.50 CarJunkie2625.00 |
02-01-2021, 11:10 AM | #44 | |
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Also, it's unclear how the Cup2 TW180 tires compare to the Cup2 Connect240 TW240 tires at this point. The initial test data from Tirerack shows poor wet road performance and not market leading dry performance for the new 240 version. Compared to the A052, the Cup2 240 is behind in everything except their slalom test, and it is way behind on wet performance.
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