Take the car down to either BMW or your local mecanic, have them install the intake, check the codes, and they will tell you what to do. It should be too bad, prolly just a MAF Sensor problem or something.
2000 328i 5 Spd Black on Black SOLD!
2004 G35 Coupe 6 Spd Gray on Black Current
FS. JB Racing Lightweight Flywheel (Non-M 6 Speed ONLY) - $450 obo
FS. Spec Stage 3 Clutch Kit (Non-M 6 Speed ONLY) - $400 obo