12-20-2017, 12:18 AM | #1 |
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Only thing I don't like - highway whine/whistle
2018 DCT Exec. 2500 miles and I have always had this whine/ whistle noise in the cabin on the highway. Seems to be more pronounced when on throttle. Anyone figure out the source? Ugh. Otherwise perfect car.
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12-20-2017, 07:26 AM | #2 | |
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I have driven one without. And mine has MPE. Without MPE, it does not make any noise that you discribed regardless what mode you select to drive. With MPE, it does have whistle (but not whining noise) when MPE is on track mode only. When it is on street mode, i figure not having any noise. It could be just my personal sense of feeling inside the cabin, as definition of the noise discribed above could be different by individuals. |
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12-20-2017, 12:55 PM | #4 | |
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12-21-2017, 02:29 AM | #8 |
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Sounds like you guys are describing an exhaust leak.
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05-04-2018, 11:34 PM | #10 |
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Digging up an old thread. F80 M3 owner here. I have a constant whistle on the highway at +70 mph and it generally correlates to throttle application. Folks over in our forum said turbos. I’m not convinced. Did y’all ever find out what was causing your whistle sound on the highway?
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05-05-2018, 02:08 AM | #11 | |
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05-10-2018, 12:38 PM | #12 | |
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05-10-2018, 12:43 PM | #13 |
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Could it be the differential?
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05-10-2018, 01:32 PM | #15 |
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In my M2 LCI, I get a constant whine (as opposed to turbo like whistle) that's present at 4k RPM in 5th gear. Sounds to me like transmission or differential. Could it be the engine?
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05-10-2018, 04:15 PM | #16 |
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I'm with ZPrime , maybe an exhaust leak? I have had an MPE installed for over a month now, and have heard no whistle. If it was a turbo spool, you would hear it for a moment as it spools and does it's thing, but it would stop after. Not sure if it could be something else, but I would ask the installer of the MPE to check it out.
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05-10-2018, 04:50 PM | #17 |
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I havent heard any whistles on mine, except when I drive by a group of college kids
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05-11-2018, 12:28 AM | #18 |
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05-11-2018, 09:41 AM | #19 |
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I have no whine or whistle and I have the MPE.
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05-11-2018, 12:53 PM | #20 | |
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It could be one of those things if it's not harming the car, I don't want them doing surgery on the car..... not sure. |
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05-11-2018, 07:30 PM | #21 |
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Don't have it in my MT M2 but years ago i had it in a E46 M3. It was the first year(2002) for the M diff. It was diff whine @65 -70 with light throttle drove me nuts. They replaced three of them then told me it was a "design characteristic" of the car . Bunch of bulls-it. It was a "design flaw" not a design characteristic. I drove three other ones and they all did it but some people don't notice or think its normal?
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05-12-2018, 07:07 AM | #22 | ||
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