03-03-2020, 06:17 PM | #23 |
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The road you are testing on is concrete?? I have heard weird concrete / tire hums on certain kinds of concrete textures on road trips. It is only on certain sections of concrete roads. It’s very rare and only was ever heard on that type of surface. I experienced it with my 20” wheels down south on a stretch of road in SC and only this certain stretch of road. It was so bizarre as the rest of our 1100 miles were normal/quiet. I would imagine 22” wheels would have been significantly louder and maddening. It was a combination of texture, surface and wheel tire resonating at a certain speed.
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03-03-2020, 06:26 PM | #24 | |
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However on my loaner with 21" run flats, the sound is not nearly as apparent on the same roads and is acceptable. Surprising a 21" run flat would be that much quieter than 22" non run flats, but maybe the contis are just that much louder? But I'm not seeing that others on the forum are complaining about it though. I'll hear what dealer has to say tomorrow, but I'm braced for them to say it's normal. I may try and test drive a similar car myself as well. |
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03-03-2020, 08:08 PM | #26 | |
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03-03-2020, 08:14 PM | #27 | ||
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03-03-2020, 08:29 PM | #28 | |||
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03-04-2020, 04:46 PM | #29 |
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My service rep called and said they're going to have one of their district people take a look and see what the issue might be. And that they wouldn't know anything before Friday at the earliest... my guess is they found nothing wrong, and now they're going to check with the district guy to be sure before telling me it's normal. But we'll see.
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03-05-2020, 07:20 AM | #30 |
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I have stock 22" tires with the same Contis and mine are dead quiet. Have about 3k miles on them right now. I don't have air suspension though. Just the M Adaptive.
One thing to remember, any ultra high performance summer tire you buy will exhibit increasing higher road noise as they wear more and more. It's just the nature of the beast. What you're hearing is not typical road noise associated with UHP tires close to end of life. |
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03-06-2020, 09:23 PM | #31 |
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GA400 North I was about to get the 22" wheel/tire combo as well but changed to 21" wheels after my final test drive with a 22" on the same highway. Car was very quiet on all other roads I tested but once I got on GA400 and went up to 70mph it got loud. I experienced the same noise as car passed over each expansion joint on the concrete highway. I wonder if other owners reporting quiet rides are also driving on concrete highways or just asphalt. I am guessing this is just the nature of the low profile tires on those 22" wheels.
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03-06-2020, 11:35 PM | #32 | |
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03-07-2020, 06:38 AM | #33 | ||
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03-07-2020, 07:18 AM | #34 | |||
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03-07-2020, 07:23 AM | #35 | ||||
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As for replacement tires, there's an all season 22" that's oem on Bentley. I think they're Pirelli tires. Pricey at $2,000 for the set but should give better noise and ride comfort then the UHP summer tires. |
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03-07-2020, 08:51 AM | #36 | |||||
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03-07-2020, 02:51 PM | #37 |
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03-07-2020, 04:20 PM | #38 | ||||||
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03-07-2020, 04:24 PM | #39 | |||||||
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03-07-2020, 04:27 PM | #40 | ||||||||
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03-07-2020, 04:35 PM | #41 | |||||||||
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03-07-2020, 04:44 PM | #42 | ||||||||||
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03-09-2020, 11:23 AM | #43 |
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Dealer called and said they checked a similarly equipped car with the same wheels/tires and the noise is consistent. Therefore they deemed the sound to be normal. They have the other car for me to drive/test.
Long story short, maybe I'm the crazy one who is surprised by how loud these tires are. And that's coming from a 1M, so I'm used to a stiff suspension and low profile tires. I guess it is what it is. I could ask for Pirellis, but there's a chance the sound is the same, and then I'd be left with tires that I'm not a fan of the sidewall for. |
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