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      10-02-2018, 01:36 PM   #29
Skilly
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Drives: 2020 BMW X5 M Sport
Join Date: Mar 2018
Location: Northern California

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Quote:
Originally Posted by Maverik259 View Post
Both BMS and K&N make a set but both are smaller than the F85. They are actually the same size as the F15 which is why I went with OEM F85 over them for my 50i
Thats exactly what had me scratching my head too...the surface area on the K&N and BMC is smaller than OEM. And, they dont provide any CFM information for either like they do with some of their other filter applications - my take is that there isnt a gain by moving to these filters from the F85 stock system.
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