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      02-25-2018, 09:28 PM   #1
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Are my tires too stretched? Did I mess this up?

So I needed to buy a new tire the other day after a flat that couldn't be patched and I thought there was no sense in buying a new Conti I didn't want when they were 15k miles on them and instead opted just get new Michelin Pilot Sport 4s tires.

When asked about the size I just figured look up the OEM size, should be fine right? Normally I research more for a large purchase but it wasn't a planned purchase because of the unexpected flat. So I got the 245 front and 265 back. Since I don't know shit about tires because this is my first fun car I didn't consider going 255/275 or wider.

Now I am looking at them and they seem oddly angled and stretch. What say you? Is this going to wear out too fast? Blow out when I hit a pot hole?







Last edited by akkando; 02-25-2018 at 09:48 PM..
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      02-25-2018, 09:58 PM   #2
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Looks fine to me. Stock size on stock rim.

Optimal width for a 9” wheel (front) is 245 or 255; for 10” wheels (rear) it’s 265 or 275.
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      02-26-2018, 04:00 AM   #3
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F87 OEM is 245/35 front 265/35 rear

If I remember BMW fits 255/35 front and 275/35 on the same rims for the F80/82
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      02-26-2018, 07:53 AM   #4
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Look fine,

max on 9.5" (front) is 275/30
max on 10" (rear) is 295/30
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      02-26-2018, 04:18 PM   #5
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this is pretty much how my factory Michelin PSS look like.
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      02-26-2018, 07:01 PM   #6
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Yeah, that looks very similar to my MPSS.

I intend to move up to 255/275 when I need to replace them though because I do also find them a little more stretched looking than I like (rear looking more stretched than front).
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      02-26-2018, 07:12 PM   #7
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Quote:
Originally Posted by tux2005 View Post
Yeah, that looks very similar to my MPSS.

I intend to move up to 255/275 when I need to replace them though because I do also find them a little more stretched looking than I like (rear looking more stretched than front).
I wonder how much I would lose selling these and going up 10mm.
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      02-26-2018, 08:45 PM   #8
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Quote:
Originally Posted by akkando View Post
I wonder how much I would lose selling these and going up 10mm.
Too much to make it worth it
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      02-27-2018, 12:16 AM   #9
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Quote:
Originally Posted by Stage IV View Post
Look fine,

max on 9.5" (front) is 275/30
max on 10" (rear) is 295/30
Pretty sure the front wheels are 19x9, not 9.5".
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      02-27-2018, 05:04 AM   #10
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Quote:
Originally Posted by akkando View Post
I wonder how much I would lose selling these and going up 10mm.
I wouldn't bother. You would lose money, have more hassle and would not gain anything really.
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      02-27-2018, 12:34 PM   #11
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Originally Posted by pruettfan View Post
I wouldn't bother. You would lose money, have more hassle and would not gain anything really.
Thanks, wasn't sure. This is a brand new world of fun cars for me.
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      02-27-2018, 12:55 PM   #12
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Your tires look exactly like my stock MPSS. A tiny bit stretched but this how they come from the factory.
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      03-03-2018, 07:17 AM   #13
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That’s not really all that stretched. When you run stretched, some shops can’t even put the tire on.
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      04-03-2018, 02:11 PM   #14
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Looks better than the contis with their stupid rounded sidewall profile.
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      04-10-2018, 11:01 PM   #15
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Quote:
Originally Posted by stefan View Post
Looks better than the contis with their stupid rounded sidewall profile.
Agreed. I like the look of the Michelin's on the M2 with the slightly poked-out look.
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      04-12-2018, 02:32 PM   #16
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Quote:
Originally Posted by qnet View Post
Agreed. I like the look of the Michelin's on the M2 with the slightly poked-out look.
Agreed. I went with 275 width PS4S tires on the rear recently and they look way better than the OEM Contis. Look way beefier and actually protect the wheel. I know it is only slightly larger but it looks like it fills up the wheel arch way more too.
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      04-12-2018, 11:01 PM   #17
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Quote:
Originally Posted by m2ruder View Post
F87 OEM is 245/35 front 265/35 rear

If I remember BMW fits 255/35 front and 275/35 on the same rims for the F80/82
I just got 295/30R20 on the ZCP wheels for my rears on my F80.

To the OP, you're fine if you simply replaced the stock size.
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      04-12-2018, 11:03 PM   #18
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Quote:
Originally Posted by Bazgab View Post
Agreed. I went with 275 width PS4S tires on the rear recently and they look way better than the OEM Contis. Look way beefier and actually protect the wheel. I know it is only slightly larger but it looks like it fills up the wheel arch way more too.
Same on the F80 - can't wait to replace the stock PS2s on the front, which have a decent amount of tread left.

They look like rubber bands by comparison. the 4Ss in the rears look awesome, and I have noticed better traction with them as well. The hook up, especially from a stop, is effected with much less traction control interference.
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      04-13-2018, 08:54 AM   #19
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I really want the PS4S tires, but have awhile before I will will get them since my car's new.
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      04-13-2018, 10:24 AM   #20
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Quote:
Originally Posted by qnet View Post
I really want the PS4S tires, but have awhile before I will will get them since my car's new.
I mean my Conti rears burned up in 10k miles so I didn't have to wait that long. Only one AutoX and no track days, 90% commuting miles.
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      04-13-2018, 10:30 AM   #21
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Quote:
Originally Posted by m2ruder View Post
F87 OEM is 245/35 front 265/35 rear

If I remember BMW fits 255/35 front and 275/35 on the same rims for the F80/82
Correct. Same 9*19 F/ 10*19 R.
255 and 275 is just the right rubber for F87 as well IMHO
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      04-13-2018, 10:32 AM   #22
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Quote:
Originally Posted by Bazgab View Post
I mean my Conti rears burned up in 10k miles so I didn't have to wait that long. Only one AutoX and no track days, 90% commuting miles.
Mine rears were gone in just under 12K, no auto-X at all - just flying on the interstate and around town.

It won't take too long.
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