Originally Posted by Tuned1M
So I finally got around to installing my ETS CP this weekend and noticed halfway thru the install that something was amiss. Most charge pipes on the market seems to consist of a simple elbow with an opening at each end for airflow. While this is fine for the 335i/135i it seems our 1M's are a bit different and have an additional pipe coming in from the driver's side which won't work with most, if not all, CP's on the market. Has anyone installed one of these successfully yet?
That's a bs accoustical device. None of the aftermarket charge pipes have it (and it's completely unnecessary).