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      01-18-2022, 12:47 PM   #8
Bimmer_Bro
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Drives: 2010 BMW 335xi LCI
Join Date: Dec 2019
Location: Calgary Alberta Canada

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Quote:
Originally Posted by Jaronbwall View Post
Quote:
Originally Posted by Bimmer_Bro View Post
At low throttles and lower rpm as the turbos spool it almost sounds like a police siren in the distance. I had this once but turns out my exhaust was touching the subframe bringing unwanted sounds into the cabin.
Whooohhh whooohh dude! This could be it! I remember hear no noise after the first drive or so after DP install, but then it changed. Maybe my exhaust shifted slightly after driving.
It could be, if the dps are touching the subframe you will get a nasty vibration too.
I have the corsa exhaust which is huge and pretty tight in some places. It was touching the rear subframe so I could hear the noises coming in behind my head. It was a quick fix at the exhaust shop.
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