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Old 03-09-2008, 08:24 PM
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Kewl X5 Kewl X5 is offline
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Join Date: Mar 2005
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Whistle Small little upgrade for the E46 M3

The original air filter was getting dirty and instead of putting another BMW OEM filter, I decided to try this drop-in panel filter from Helene Performance.

Heard some great things about this filter from various M3 forums and based on how dirty my OEM filter was, this clean, new filter should add some MPG and a little improved throttle response to the S54 motor.
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