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BMW 3-Series (E90 E92) Forum
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Air filter change
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| 06-10-2011, 11:27 AM | #1 |
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First Lieutenant
 
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Air filter change
Ok i totally feel like a dumb ass i changed my air filter and forgot which side up the new one goes in...
What would happen if it's in wrong? the flat side of the filter (the smoother surface) is facing the MAF sensor and hose inlet.. The rippled part (accordion looking ripples) is facing the inside of the airbox did i install right?
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2007 328 Jet black||M3 rear bumper|LED license plate|220M 19's staggered|Redlines|carbon fiber wrapped interior|
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| 06-10-2011, 11:38 AM | #2 |
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Drives: '06 AW 330xi
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| 06-10-2011, 09:59 PM | #3 |
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First Lieutenant
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ok cool thx lol i figured but i was just a little nervous. I have done other mods but never anything under the hood..
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