Thread: Turbo Whine
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      07-18-2023, 02:17 AM   #35
vadonchez
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Drives: z4 35IS
Join Date: Sep 2022
Location: FRANCE

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Quote:
Originally Posted by studio54 View Post
Cool, glad this worked you. It completely disappeared ?

I might give a try to the MHD slider, but when I flashed my stock tune for MOT, resting position of WGDCs changed to around 10% at idle (instead of 50-60 with MHD stages). While whine was quieter, it was still existent on mine.

Will try ASAP anyway

I have to run more but that was night and day between 70% and 10%....
I can hear turbo spool a little bit but i have DP now. I imagine that with stock catted DP i should hear nothing.

Try to test several rattle fix %, if it's an airflow disturbance then on % couls works when another one no....

EDIT after a drive: Absolutely no whine even with a cold engine. I was top down so i have to confirm that top up. It's so nice not to hear that whistle anymore!!

Last edited by vadonchez; 07-18-2023 at 04:48 AM..
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