Stay stock and replace the OEM filter with aFe instead.
Originally Posted by Ralphygz21
I'm looking for a cold air intake for my e93 m3 but not sure what brand to go with?
This will be your best bang for the buck
2011 E92 ///M3 Alpine White / Black
2008 E93 335i Black Sapphire Metallic / Saddle Brown
1997 E31 840Ci Black / Black
[SIZE="3"]2004 E46 ///M3 Laguna Seca Blue / Black