02-11-2021, 12:46 AM | #1 |
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UK roads traction....tyre size
I know there’s a tyre thread but a lot of the discussion is from USA where the road situation is generally completely different.
I’ve seen a couple of mentions of wider rear tyres, is this on the standard rims & are spacers required? What’s the feel like on a UK road? Does it make much difference for traction on a dry straight? What about greasy broken backroads? Thanks for any replies, I’m kind of thinking the M5 might be here to stay so toying with some upgrades. I’m not looking to track the car or even ‘drive fast’, I’d just like to be able to see a bit more of the acceleration day to day without blinky the never ending TC light, although I don’t trust MDM or below on the TC. |
02-11-2021, 01:44 AM | #2 |
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I went from 295 MPSS to 305 MPS4s and it made a big difference. I guess some of that would be down to the 4s tyre but deffo worth doing. No spacers required.
My car was mapped (around 700bhp) and I could just about put all the power down in 3rd on a damp road and easily 2nd gear on a dry road. I did remove my rear camber as well though. No-one believed it would make any difference, certainly seemed to work for me. I was happy with the grip once the tyres had some heat in them. Tyres needed to be above 15 degC to work. Pretty easy to reach that temp with normal driving even in the cold and wet
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02-12-2021, 08:07 AM | #5 |
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Drives: 2015 M5 F10
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Location: Southern Indiana
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02-14-2021, 02:47 AM | #6 |
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I've got the 305's ps4's also with 5mm spacers, it's better grip from standing start than 295's and the handling is not affected on fast bends.Need the pilots on the front also as having mix with say super sports on front won't give you that assurance when in 'extremis'.
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03-06-2021, 08:25 AM | #9 |
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03-06-2021, 09:58 AM | #10 |
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Thanks for confirming! Out of interest is it not on the 19"s then?
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03-06-2021, 10:45 AM | #11 |
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03-06-2021, 10:46 AM | #12 |
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03-06-2021, 11:08 AM | #13 |
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03-06-2021, 12:55 PM | #14 |
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03-24-2021, 09:03 AM | #15 |
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I’m running 265 35 20 fronts and 305 30 20 rears on aftermarket wheels.
Had Pirelli’s on the rear but changed to MPS4 which makes a world of difference in the wet. |
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03-24-2021, 09:30 AM | #16 |
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How about the MPS4 in the dry? I've got P Zero's and can't help but thinking they're just a bit crap on this car all round.
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03-25-2021, 05:04 PM | #18 | |
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Quote:
Wet; they’re a completely different beast. Sometimes with the Pirelli’s moving off from a roundabout in the wet it would spin up, but not with the Michelin’s. |
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