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      03-19-2020, 01:07 PM   #27
ziekxq
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Drives: 2011 535i xDrive
Join Date: Feb 2016
Location: United States

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Quote:
Originally Posted by Unspec View Post
The intake design on our car does not heat soak the intake air, I don't know where this myth started. Heat transfer is not instantaneous, it takes time. If your car is moving, the air moves so fast through your intake system it has zero time to absorb any noticeable amount of heat. The K&N heatshield is there primarily for cosmetics, so you can see the filter cone, and sound.
Heat doesn't need to transfer. From what I can tell if you have hot engine bay exposed then open intake is sucking in that hot air directly.... Unless I am thinking this the wrong way and open intake won't suck in heat from engine bay.
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