Thread: Drop in filter?
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      05-13-2012, 08:39 PM   #9
pbonsalb
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Drives: 18 F90 M5, 99 E36 M3 Turbo
Join Date: Feb 2011
Location: New England

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K&N has been making oiled filters longer than anyone else. They know how to do it. And they are priced reasonably for the E9x M3 application.
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