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      05-04-2016, 01:54 PM   #10
TheHouseWon
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Drives: 2013 M5
Join Date: Nov 2015
Location: SoCal

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There's a MUCH easier way to do it: loosen and remove 1 bolt attached to the body (holding the air box in place), loosen clamp by MAF, remove MAF CAREFULLY, and pop out the airbox. Much easier than reaching the hidden bolt under the intake pipe.

Charcoal filter is for emissions only, in EUR they don't even use them. You'll notice a slight change in sound and performance. Very little, don't expect to spin the tires in 7th gear.
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