Reviewed By John J (Richland, WA) Reviewed for a 1990 BMW 3-Series —11/23/2011 9:10 PM
I had an oiled filter, won't name brand and it ended up coating my MAF with oil and it did not work. My engine ran rough. I cleaned the MAF and installed an AEM filter and it runs terrific. This is a great product, I even bought another one for my Roushcharged Mustang CAI, it came with an oiled air filter too.