BMW M3 - CSL Airbox Conversion Sound Check
Tags: BMW M3 E46 Coupe CSL Airbox Umbau Conversion Sound Vergleich Check Alpha-N Car Auto Emmy Power Bimmer Beamer laut bruta
Length: 1:34
Description: This movie shows my BMW M3 before and after I have installed the original CSL Airbox including Alpha-N Software.
You can hear the (outside) sound improvement from before and after the conversion.
There is also a small performance increase by doing this modifications.
It's defently worth all the money, especially the sound is astonishing.
A video with inside car sound comparision will follow as well.
Author: CodeZilla
Source: YouTube
