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Odd noise after shut down

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Old Apr 1, 2019 | 11:47 AM
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playalistic's Avatar
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2019 C63s Coupe
Odd noise after shut down

My coupe has started making this noise after shutting down. It goes on for about a minute then stops entirely. Should I be concerned? I have the ASR module that keeps the flaps open so am wondering if this has any effect. Also my car suffers with the exhaust rattle from the flaps that some others have experienced between around 2.5-3k revs, hopefully not associated.

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Old Apr 2, 2019 | 12:41 AM
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LOL, sorry couldn't help myself but it sounds like you have these little tribal people that lives in the exhaust playing drums/music or something! :P

But no I have not personally heard that before. I also have simulators.
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Old Apr 2, 2019 | 05:44 PM
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Originally Posted by amg8
LOL, sorry couldn't help myself but it sounds like you have these little tribal people that lives in the exhaust playing drums/music or something! :P.
that's exactly what it sounds like...!
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Old Apr 2, 2019 | 10:43 PM
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Whoa... That's after shutting down?? I have ASR module as well and I don't get that noise... That said, just probably metal cool down... Wouldn't worry about it 👌
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Old Apr 3, 2019 | 08:59 AM
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Originally Posted by amg8
LOL, sorry couldn't help myself but it sounds like you have these little tribal people that lives in the exhaust playing drums/music or something! :P

But no I have not personally heard that before. I also have simulators.
I'll keep an eye out for spears
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Old May 21, 2019 | 08:29 AM
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Just an update - when I remove the ASR module this no longer happens. I'm going to speak with them and see what's up.
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Old Jun 12, 2019 | 09:08 AM
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Received the replacement unit from ASR and am happy to say after fitting the new unit the noise is gone.
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