03-05-2021, 04:20 AM | #1 |
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435i exhaust noise
Seems to be an issue with the exhaust making this screeching sound. First noticed with windows down in sport mode when letting off the gas and didn't figure out where it was coming from until today . I put it in sport mode while parked reved the car a bit so the flap opens up then put it in eco mode then the flap closes and same sound comes.so guessing it has something to do with the flap? same noise I heard while driving it is this whining noise kinda screechy very annoying . While driving it is a two phase squeel while parked once .car is completely stock 2014 435i
Didn't have this sound when I first got the car and have used Carly bmw app to manually open and close the flap before without this extra sound. So not sure if it's the flap or something else . Has anyone else has this issue if so would it be under warranty? Last edited by Hgill11; 03-05-2021 at 04:39 AM.. |
03-05-2021, 12:34 PM | #2 |
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Thats the flap opening and closing. I usually ride in sport mode to avoid that flap from toggling from open/close. I ended up removing it. I think you can code it off with bimmercode.
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03-05-2021, 02:05 PM | #3 |
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I don't think that noise is the regular opening and closing sounds alittle extra?
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03-05-2021, 02:17 PM | #4 | |
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Easiest fix would be to just keep the flap open and forget about it, there's really no downside. |
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03-05-2021, 02:37 PM | #5 | ||
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03-05-2021, 02:59 PM | #6 |
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