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BMW M2 Forum > M2 Photos, Videos and Builds > Michelin Pilot Sport Cup 2 Connected Smart Tires & App Tested on M2 Competition

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      10-22-2020, 07:48 PM   #23
DarkstarZero
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I think what makes the Cup 2s great is how they perform in street driving. I actually drove on Cup 2s through the winter, which is fine so long as you expect the longer stopping distance and ease of oversteer. I then took them to the track the next summer and they performed great, no problems. Can't do that in Toyo track tires, they would have cracked in the cold.
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      10-26-2020, 07:53 PM   #24
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It has a decent review online but I have never tried to run a set on any of my cars. I still prefer the Michelin PS4 though since I've been using it for a long time now.
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      10-27-2020, 02:24 AM   #25
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Quote:
Originally Posted by DarkstarZero View Post
I think what makes the Cup 2s great is how they perform in street driving. I actually drove on Cup 2s through the winter, which is fine so long as you expect the longer stopping distance and ease of oversteer. I then took them to the track the next summer and they performed great, no problems. Can't do that in Toyo track tires, they would have cracked in the cold.
Doesn't absolutely everything stick to the Cup 2's?

I currently run the PS4S's on my M2
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      10-27-2020, 04:06 AM   #26
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Would have been nice if he had the TPMS readings up on the iDrive for comparison to the Michelin Connected App...could maybe solve a lot of the debate.
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      10-27-2020, 04:35 AM   #27
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Quote:
Originally Posted by NathObeaN View Post
Just seems like a gimmick to me. When on track all you need to know is 'do I need to stop and adjust pressures'. When on the track, the BMW system is sufficient enough to tell you pressures are approaching cautionary levels. Failing that, your hands and arse are pretty good sensors for tire slip.

Having a system tell you in real-time what the pressures are is somewhat irrelevant unless you are competing in professional racing and have a team at hand who can provide your real-time analysis and feedback on a per corner basis (aka, F1).

As a driver at a track day, the only thing you can do is slow down, back off or stop and adjust pressures. If the current technology doesn't do enough to equip you... well, need I say more. For track days, even timed laps, this just comes across as a massive gimmick designed to sell more tyres (and at a higher price).
I tend to agree in part... I think the most valuable data is the Michelin evolving database behind the tire pressure recommendations, not necessary the real time data. Is there anywhere to get that info??

IF the pressure adjustment recommendations are accurate, I see how this could be a useful tool to get the most performance and longevity out of the tires based on the specific track and conditions.

I thought the most interesting part of the video was that the temp/pressure monitor was Green at 2.65 bar - It seemed like the recommendation was to drop to 2.4 bar, not sure. I would bet that is more pressure than what most people run with these tires on their M2.

For me, by the time I can accurate pressure readings (iDrive is always off by 1-2 Psi in my car) at a track day, I have already done cool down laps. And once I get those pressures, how do I know what the best adjustment is other than subjective trial and error... 'What tire pressure should I run' discussions seem a lot like 'what is the best oil to use' discussions...
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      10-27-2020, 04:37 AM   #28
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Quote:
Originally Posted by KHAP13 View Post
Quote:
Originally Posted by NathObeaN View Post
Just seems like a gimmick to me. When on track all you need to know is 'do I need to stop and adjust pressures'. When on the track, the BMW system is sufficient enough to tell you pressures are approaching cautionary levels. Failing that, your hands and arse are pretty good sensors for tire slip.

Having a system tell you in real-time what the pressures are is somewhat irrelevant unless you are competing in professional racing and have a team at hand who can provide your real-time analysis and feedback on a per corner basis (aka, F1).

As a driver at a track day, the only thing you can do is slow down, back off or stop and adjust pressures. If the current technology doesn't do enough to equip you... well, need I say more. For track days, even timed laps, this just comes across as a massive gimmick designed to sell more tyres (and at a higher price).
I tend to agree in part... I think the most valuable data is the Michelin evolving database behind the tire pressure recommendations, not necessary the real time data. Is there anywhere to get that info??

IF the pressure adjustment recommendations are accurate, I see how this could be a useful tool to get the most performance and longevity out of the tires based on the specific track and conditions.

I thought the most interesting part of the video was that the temp/pressure monitor was Green at 2.65 bar - It seemed like the recommendation was to drop to 2.4 bar, not sure. I would bet that is more pressure than what most people run with these tires on their M2.

For me, by the time I can accurate pressure readings (iDrive is always off by 1-2 Psi in my car) at a track day, I have already done cool down laps. And once I get those pressures, how do I know what the best adjustment is other than subjective trial and error... 'What tire pressure should I run' discussions seem a lot like 'what is the best oil to use' discussions...
Here's a thought... tires with self-adjusting pressure valves to keep pressures consistent despite temperature... is that even a thing? - runs off to Google lol
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