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The "wind" being "intensified" isn't beneficial (archive)

[ Follow Ups ] [ 5-series (E28) Message Board ] [ Msg. Board FAQ ]

Posted by Shawn D. on January 15, 2001 at 14:40:14:

In Reply to: Re: Aftermarket bonnet air scoop for E28? posted by Scottie on January 15, 2001 at 12:20:45:

When you say "...the wind coming through the engine compartment would be intensified...", why would this be of benefit? Having the air move faster past the air cleaner inlet will reduce the pressure, and thus decrease your power unless you have some way of getting cooler air to make up for the lost mass. Also, while at idle and/or low speed, the intake would only suck hot underhood air and reduce your off-the-line performance. It would also take a bit of time for your intake manifold to shed that extra heat, so you'd still lose performance after you were moving.

Not to be snooty, but since my degree is in Aerospace Engineering, I do understand a thing or two about thermodynamics and airflow characteristics.

Mmmm. Interesting.

Paul, an underbonnet on an e28? Was this a euro only package? In the us, you can peer down beyond the headers to see the drag link and beyond that, well...the road! Could you elaborate on this underbonnet?

Figuring the wind coming through the engine compartment would be intensified, I removed the plastic cover behind my right side headlights.


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