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      05-04-2021, 05:18 PM   #5
carsforlife
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Drives: 2013 335i
Join Date: Mar 2020
Location: Beirut

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Quote:
Originally Posted by thejeremyman9 View Post
What you are referring to is generally caused by compressor surge and is most prevalent when you run no BOV/DV at all. You can achieve similar sounds with a VTA BOV but generally speaking the sounds is produced by air going backwards through the compressor, which is BAD for the turbo, especially without an anti-surge housing.

The turbosmart is a good option if you want a VTA DV but AFAIK you will not get that sound. Just a louder "whoosh"
Quote:
Originally Posted by 435gc View Post
BMS intake with stock DV produces a pretty audible turbo swoosh.

To the Jeremyman9's point, when I installed the TurboSmart Plumback DV, the swoosh was nearly silenced even with the BMS intake.
So the only way to get the tsutsutsu sound is by what Jeremyman9 said? And there isn't a specific DV+ or BOV that could produce that specific and all have only the "whoosh" sound.
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