Quote:
Originally Posted by MOTO69JOE
I can take some pics this weekend if you guys don't mind waiting. I'll take pics of the inside of the new box, versus the U.S. box. The first thing I noticed about the car on the initial test drive was the growl of the engine. It is more noticeable now. It gets up to power very smoothy. I really don't know why BMW made two different designs? The only conclusion I came to was to help the euro versions make more power? Like I said I am really happy with this mod combined with the K&N filter.
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Would love if you could post a video with sound, so I could hear the "growl"?
Do you have any other engine mods? exhaust mods?
Just curious, your account list you as in the EU (Germany) if that is the case, then why would your E90 be originally equipped with the USA/North America air box? If you are in Europe wouldn't it come stock with the Euro Airbox?
Thanks