[//M]

Originally Posted by jmg

What about my 340i M Sport with the Track Handling Package? That's a premium sport package. If not, then why not my F80 M3? The MPE was ~$5k alone and is mostly auditory.

I would presume emissions honestly. I haven't looked but I'd assume they use the intake vacumn as part of the PCV like the N54 which means legally they wouldn't be allowed to vent it.