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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Protecting intercooler from rocks



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      09-04-2012, 10:26 AM   #1
Rotary Rasp
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Protecting intercooler from rocks

I installed my VRSF intercooler Friday and immediately left for a 700 mile road trip. When I returned last night I noticed that I already had two small rocks lodged into the intercooler fins. Has anyone tried covering the bumper mesh or IC with some type of screen? Would this affect performance much?
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      09-04-2012, 10:42 AM   #2
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it would affect the performance for sure because it would not have air going in....

i mean thats the part of the game, kind of like rock chips on the bumpers :/
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      09-04-2012, 10:48 AM   #3
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You can get welded or weaved stainless steel mesh from McMaster.com pretty cheap. They even grade the open space for the different wire thicknesses and opening sizes. Something around a 0.050" wire and 1/4" openedng will do nicely without blocking too much airflow. Remember that the IC or any heat exchanger only needs an opening about 1/3 its frontal area.
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      09-04-2012, 10:54 AM   #4
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Do you have the stock mesh? It is not protective enough though.
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      09-04-2012, 11:40 AM   #5
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they make a race mesh for our bumpers like grills and the vents on bumper but i think it looks ricey
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      09-04-2012, 11:41 AM   #6
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http://www.**********s.com/RaceMesh-...i-328-328i.htm
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      09-04-2012, 11:50 AM   #7
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Quote:
Originally Posted by Crazylegs View Post
+1 that looks
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