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Old 05-19-2016, 08:29 PM
g300d g300d is offline
Join Date: Apr 2012
Location: SoCal
Posts: 1,627
g300d is on a distinguished road
The enclosure will never cause a lean's a heat shield, and not air tight.

Another way you could maybe get more fresh air there without permanently modifying the box would be to remove the top cover, putting some weather strip on the sides and rear so that the hood seals the top of the box (ala AFE), and removing the hood weather strip above the passenger side headlight.

This looks to allow some air in between the gap of the hood and headlight, straight into your filter box.

But the stock air feed is still better IMO.
04 X5 3.0i auto
03 X5 4.6is
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