IS K&N AIR FILTER GOOD
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Originally Posted by Alfonze' post='956378' date='Jul 28 2009, 12:35 AM
I've heard some stories that air filters that use oil can kill the BMW MAF-s? Any truth to that? Any actual dyno pics of the filter used? I know that removing the filter on an 540i E39 gives around 10hp.
I read somewhere that applying too much filter oil can cause it to seep and overheat/fry some sensors. I'm not sure though.
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Joined: Jul 2009
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Originally Posted by Alfonze' post='956378' date='Jul 28 2009, 12:35 AM
I've heard some stories that air filters that use oil can kill the BMW MAF-s? Any truth to that? Any actual dyno pics of the filter used? I know that removing the filter on an 540i E39 gives around 10hp.
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