1. 15 Jan 2020 at 9:56 PM #41
    Yas Man

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    You're so wrong. Take your car out for a hard drive through some tight twisting roads that you know well at the weekend, then go let 3psi out of each of your front tires and then drive the same bit of road again (same direction both times)

    I promise you're going to notice a huge difference in the feel you get when you lean on the tires hard buddy.
     
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  2. 15 Jan 2020 at 10:06 PM #42
    AbdulC

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    I've only had my F80 for a couple months and based on my research was expecting the conti's it came on to be complete ****e but honestly I'm quite happy with them especially in the wet/cold weather.

    With that being said can anyone who has gone from conti's to ps4s on 437m report their findings?

    I'd happily run supersports but the increased wet/cold weather grip the ps4s apparently gives does appeal.

    Cheers
     
  3. 15 Jan 2020 at 10:10 PM #43
    AJ13

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    Done just that bud.
    Hadn't checked my car tyres for a bit.
    Quick run through to garage to get alignment done.
    Try pressure 2psi above recommendation.... Garage reduced to normal pressure.
    Quick run back.home.
    Did.i notice a difference??
    Nope.
    Granted weather was poor with wet roads so not pushing on too much.

    What I will say is that 3 psi I.and of my bike tyres and I do notice.
    Maybe my age.. Senses waning.... Lol.
     
  4. 15 Jan 2020 at 10:10 PM #44
    Yas Man

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    Either of the Michies will be streets ahead of the Contis, your mind will melt with the additional grip and feel you'll get.

    They won't last as long but for feel and feedback, you're much better off with the Michelins.
     
  5. 15 Jan 2020 at 10:15 PM #45
    AbdulC

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    That's good to read as frankly that's the one thing that's a major let down so far for me; the lack of any feel... my old e class diesel has more of it right now (funny enough it's on conti's too lol).

    Are the Michelin's significantly worse in terms of NVH?

    Thanks
     
  6. 15 Jan 2020 at 10:15 PM #46
    Yas Man

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    If you've just done this tonight, the road will be too cold, too damp to get the grip you'd need to be able to notice the difference.

    Would need to be a dry day to have the bite you'd need.
     
  7. 15 Jan 2020 at 10:18 PM #47
    AJ13

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    Was Monday..... Ambient temp 5 degrees
     
  8. 15 Jan 2020 at 10:50 PM #48
    T5Pilot

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    The new GoodYear supersports actually review extremely well. But last time I checked (a good few months ago tbf) the size choices were pretty poor, none for my wheels anyway.
     
  9. 15 Jan 2020 at 11:08 PM #49
    T5Pilot

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    From another thread re “soft sidewalls”

    On my M4, on 285/30/20" rears, the sidewalls are the same on both the MPSS & MPS4S. ie. Extra load, 99Y. Then there's the wet grip efficiency, which is a "B" for the MPSS & "A" for the PS4S.
    It's the same story on the front, 265/35/19, both sidewalls extra load 98Y. Wet grip efficiency as above.

    Now, in a previous post (that I can't be bothered to find tbh), there's a 19" rear size where the sidewalls are stronger on the MPSS at 101Y compared to the PS4S at 96Y.... So for that tyre, sure, the walls are slightly softer.

    MPSS on the back of mine were truly dreadful for damp grip. The PS4S's are night & day better. On my car....

    So, really, we shouldn't be making general "cover all" comparisons (which I'm as guilty of as everyone else). Each tyre/wheel combo is likely to be different.
     
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  10. 16 Jan 2020 at 8:49 AM #50
    Roberts

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    Great point.

    Also, their might be compromise in here somewhere as well.

    Given some people use their car as dailys others as weekend cars only and some a combination of the both. Your buying decision has to be made considering the circumstances you want to use the car.
     
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  11. 16 Jan 2020 at 9:19 PM #51
    SynTom

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    I spend my time gunning the car down country lanes, can't say theres a problem at all with them? Although I do over inflate them all to around 35psi cold.

    Contis are utter crap, getting rid of them was the best thing that ever happened to the car.
     
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  12. 16 Jan 2020 at 9:43 PM #52
    DeadEye

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    high speed slight corners are the worst for PS4Ss. Oddly, my M2 came with Conti 3s which were better tires, in my opinion, than the Conti 5s my M3 came with.
     
  13. 17 Jan 2020 at 4:23 AM #53
    jpf

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    I cannot see or feel anything but good things for the MP4’s.... I’m still certain that there must have been something else wrong with your (Deadeye) car or tyres. The MP4’s do need scrubbing in, good pressure and the ability to understand a little tyre flex. Nothing is gained with rock hard sidewalls on a road car, that is in fact actually a bad attribute. I’ve also mentioned it before, but have you ever looked at how much flex happens to a F1 tyre?

    Just don’t think it’s very helpful for the minority who don’t like them to constantly keep shouting loudly something that flys in the face of the majority on here, other forums and a great many tyre tests etc.

    ......maybe my light unsprung weight, 437’s and CCB’s, properly suspended car helps though :D
     
  14. 17 Jan 2020 at 7:17 AM #54
    Yas Man

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    Sorry dude but that's a ridiculous comparison. F1 cars have no moving suspension parts, the damping comes from the distortion/flex in the front assemblies and the deflection in the tyres. Our cars have a spring damper assembly that is built for a wide spectrum of road surfaces and compounds.

    For sure, you don't want rock hard tyres or side walls like a runflat but you do want a strong degree of sidewall rigidity so that you can feel the car tracking the road through a corner or high-speed direction change, too much squish and it's much harder to sense what's going on as the flex of a soft sidewall robs you of feel and feedback you need.
     
  15. 17 Jan 2020 at 7:50 AM #55
    Conor wood

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    The Contis was absolute **** on my m4 come straight off for PS4’s just find all round weather better tyre
     
  16. 17 Jan 2020 at 8:58 AM #56
    T5Pilot

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    Err, F1 cars do have moving suspension parts. And like I said before, my (in fact most) tyre sizes, have the same sidewall strength.
     
  17. 17 Jan 2020 at 9:01 AM #57
    DeadEye

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    Car was checked over twice by BMW and others on here are now coming forward with the same feeling I had. There's a long curved hill dual carriageway up to a roundabout near my village. The TC light would flash at 9 or 10 mph when it had no right to be flashing as 13 or 14 is easily possible.

    I'll admit I feel it more than most but it's there. Had a similar problem putting Falkans on my 406coupe (put the original P2000s on and it fixed it instantly) and Kumhos on my 335i (putting MPSS on instantly fixed that).

    I also felt the issue with M2 LCI steering that others can't.
     
  18. 17 Jan 2020 at 10:07 AM #58
    AJ13

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    Sidewalls are soft(er) on 4s....over ss.
    Just use goggle.
    Whether you notice??? How much softer??
    Neither are bad tyres.... 4s are newer therefore you would reckon slightly better. Reviews take with a punch of salt but most "Independant" reviews reckon ps4 are better all around apart from that 1% extra on limit feedback that ss give. I don't drive on the limit to notice... I am not a good enough driver..... But maybe others are and are willing to drive at 100% on the road.
     
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  19. 17 Jan 2020 at 11:30 AM #59
    T5Pilot

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    Sidewall strength is measured as load. The load is marked on the tyre, regardless of make. A 99Y rated tyre has the same level of deformity, be it Michelin, or a budget brand.
     
  20. 17 Jan 2020 at 12:36 PM #60
    AJ13

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    And a 275 tyre can be different widths slightly... Dependant on tire brand and model.....
    The Y on tyre relates to the load it can take.... Not the sidewall stiffness
     

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