You hit the nail on the head with money pit. I'm tempted to get the CF CAI as well. I know that a drop in will produce similar results for a 10th of the price.
E90 M3 Jerez Black/Bamboo Beige 6MT - BMW CCA
Dinan Rear Exhaust, Secondary Cat Delete, Dinan High Flow Carbon Fiber Intake, IND Painted Reflectors, BMW Edition Grills