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I believe this sound to be the infamous waste gate rattle that N55 PWGs suffer from. However it does not sound like a rattle or clicking but an air rushing noise.
Was gonna try using heat wrap to quite or kill the sound - Will post back with results.
Will also play with cold start delete.
Any other suggestions?
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2016 X3 35i |M-Sport|Megan Racing Coilovers|FBO+|BM3|Jordan Tuned|Valvetronic Designs|
1998 750iL V12|2017 440i|2019 991.2 GT3RS Weissach|2019 Model X|...and some others
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