03-13-2018, 04:36 PM | #1 |
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275/30R20 PS4S - Rubbing in Front
just installed 275 f and 295 r - definitely rubs on driver side on turn lock. anyone else have this issue? no suspension mods or spacers. feel like this can't be right.
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03-13-2018, 05:10 PM | #3 |
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Thats first. I haven't heard that. Would love to know more info about this topic..
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03-13-2018, 07:45 PM | #4 |
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03-13-2018, 07:50 PM | #5 |
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i'm wondering if the dealer messed with something else? the minute i got in the car and fired up my M1 settings, i felt something was off. the sport + steering feels looser than the old comfort setting.
i'm having the HAS installed soon and realigned so we'll see if that fixes it? wondering if the bmw dealer gave me the M0 specs but then realized that only would change the rears. really annoyed at this point |
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03-13-2018, 08:08 PM | #6 | |
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For example, if I inflate my tires to 36psi, I can make it out of my drive way without scraping. If I lower it to 32psi (which is what I prefer), I always scrape my mid pipe exhaust. Also, over inflating the tire will make the steering feel "looser". In my experience, the dealership has a tendency to over inflate tires because some customers complain of getting worse MPG when they inflate the tire to spec. |
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03-13-2018, 08:16 PM | #7 | ||
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03-13-2018, 09:20 PM | #8 |
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Drives: 2022 Taycan GTS, 2018 M4, 2016
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Same thing happen to me with 275/30/20 cont. sport extreme contact. You can't go too wide in the front with 20s. Btw my rim is 20x10 front.
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03-14-2018, 10:35 AM | #9 |
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I thought this was a proven setup for the ZCP.... Really wanted to go wider, but now it seems like I will be going with stock sizes unless someone else confirms otherwise.
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03-14-2018, 10:50 AM | #10 | |
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The tread width and other factors vary with maufacturer even when the 'size ' is the same... |
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03-14-2018, 11:52 AM | #11 | ||
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03-14-2018, 12:50 PM | #12 |
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I do not know who to credit it to, but some else posted that 26.3 in is the biggest diameter you can go, 275/30 comes out to 26.5, hence the rub.
Edit: Found the post below, look at #9 and #11, @anglo was the poster http://f80.bimmerpost.com/forums/sho....php?t=1376530 Last edited by Pic18; 03-14-2018 at 01:15 PM.. |
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03-14-2018, 02:12 PM | #13 | |
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03-14-2018, 02:32 PM | #14 |
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Since I really want a little extra rubber in the rear to get more traction, does it matter if we run 265/295?
Subscribed for more info on the F80>F82 wheel well clearance difference. |
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03-14-2018, 04:04 PM | #16 | |
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Long story short you could likely place the same wheel/tire on one car with no rub and place it on another car and get a slight rub like we see here, hence the recommendation not to go over 26.3 in diameter in the front to be on the safe side. |
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03-14-2018, 04:46 PM | #17 | ||
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03-14-2018, 06:30 PM | #18 |
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Are you running spacers? 275/30/20 PS4S in front is a tight fit - offset it key. If you are running spacers I'm 100% certain thats your issue.. if not.. I have no idea why you are rubbing..
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03-14-2018, 06:44 PM | #19 | |
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03-14-2018, 07:21 PM | #20 |
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I do know Toyo 275/30/20 does not rub. I saw it in person but cont extreme contact 275/30/20 rub on my car. Both car m4 with 20x10 in front.
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03-15-2018, 12:50 AM | #21 |
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I also find this very odd as well
here is a thread where a guy fitted a 245/35 20" SC2 that has a OD of 26.8 no rubbing http://f80.bimmerpost.com/forums/sho....php?t=1470766 post #5 again this is an M4 not sure if it's the f80 that has the issue. another factor is that with a 245 it would prob be a bit stretched on the rim and that should help bring the overall OD down. |
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03-15-2018, 01:11 PM | #22 |
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I currently have the 265/35/19 PS4S + 12 mm spacers on M763 and slammed down with KW HAS. They also rubbing the fender liner when turning the steering wheel to the max. It's irritating, so i chopped a piece of the fender liner. Problem solved.
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