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      10-31-2012, 07:56 PM   #52
Andy H.
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Drives: 2012 535i M Sport
Join Date: Aug 2012
Location: San Antonio, TX

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A performance exhaust and down pipe helps the engine exhale more efficiently.

After some extensive internet searching I can only find one option that improves intake. A K&N air filter. I cannot find anyone who manufactures a cold air intake for the 2012/2013 535i n55 f10.

Anyone else have any luck?

I read a prior post where a BMW owner said the dealership discouraged the use of a K&N air filter, as the filter oil gets sucked out of the filter and into the intake manifold tripping a sensor causing the CEL light to come on.

Does anyone have any advice, recommendations, comments or experience in this regard?

Last edited by Andy H.; 10-31-2012 at 08:34 PM.
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