Saw this thread over 3 Series N55 section and it's put a hold on my plans to get an intake. Anyone here have the same problems with rough idles and/or CEL on the M235i with either the BMS or AFE intakes?
Please also share if you also have a JB4 or not.
http://f30.bimmerpost.com/forums/sho...d.php?t=967499