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      11-01-2018, 12:40 PM   #5
sspade
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Drives: F30
Join Date: Oct 2017
Location: Stevenson, WA

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2016 BMW 320i  [7.87]
2014 BMW 328i  [6.83]
That looks like an extra piece of filter media of sorts?

Cant be good for airflow.

You'll be fine with the K&N as long as you dont go off roading. I just had a Blackstone analysis done while running a K&N filter and passed with flying colors. I posted the results on this forum if you care to see them.
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