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BMW Performance Exhaust for E92 325i
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<blockquote data-quote="astroboy" data-source="post: 451292" data-attributes="member: 4527"><p>The windscreen wiper area I believe is an outlet for the AF box to draw a small amount of air out [hot air] from the box to create a suction vacuum so the AF box will draw more air from the front to create a positive pressure in the AF box surrounding the AF element area. Same concept as the E9x M3 vent on the bonnet.</p><p></p><p>This is an aFe Stage 2 after market AF for E90/E92 M3, check out the top vent.</p><p><img src="http://aakmotorsports.com/images/products/detail/afe_5011662.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>The BWM Performance filter looks like this.. have not explore the windscreen [right hand corner] vent personally though.</p><p><img src="http://i329.photobucket.com/albums/l369/nevets777/330i-2/_DSC9416.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="astroboy, post: 451292, member: 4527"] The windscreen wiper area I believe is an outlet for the AF box to draw a small amount of air out [hot air] from the box to create a suction vacuum so the AF box will draw more air from the front to create a positive pressure in the AF box surrounding the AF element area. Same concept as the E9x M3 vent on the bonnet. This is an aFe Stage 2 after market AF for E90/E92 M3, check out the top vent. [IMG]http://aakmotorsports.com/images/products/detail/afe_5011662.jpg[/IMG] The BWM Performance filter looks like this.. have not explore the windscreen [right hand corner] vent personally though. [IMG]http://i329.photobucket.com/albums/l369/nevets777/330i-2/_DSC9416.jpg[/IMG] [/QUOTE]
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BMW Performance Exhaust for E92 325i
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