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      12-18-2017, 11:03 PM   #9
BombaE90
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Drives: 2011 E90 M3
Join Date: Feb 2015
Location: Miami, Fl

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Quote:
Originally Posted by JsL View Post
Do you have a constant whistle from the BoV? I would think the AA kit is the loudest (whistle) at partial throttle. It has the BOV that vents to atmosphere instead of recirculating into the intake, so you will hear a constant whistle.
I've never noticed the whistle, but I like the BOV sound at WOT. I love this kit.
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