BMW M3 Forum (E90 E92) - View Single Post

CSanto · 04-21-2009, 03:03 PM

I'm looking for a drop in air filter as well. AA claims 7 hp on theirs, is their filter any good?
They all prob do the same thing right?

I'm really looking for more sound, the 5hp doesn't matter to me.

04-21-2009, 03:03 PM	#11
CSanto Brigadier General 636 Rep 3,039 Posts Drives: 2015 BSM/SO M3 Join Date: Feb 2009 Location: New York iTrader: (3)	I'm looking for a drop in air filter as well. AA claims 7 hp on theirs, is their filter any good? They all prob do the same thing right? I'm really looking for more sound, the 5hp doesn't matter to me.
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