[clairvoyant]

I used to have an Injen cold air intake a long time ago on my Nissan Silvia and I liked it.
I don't know the quality of it these days as I am using BMS DCI but just like every after market intake out there you ought to wash/oil twice a year (late Spring and late Fall).

Originally Posted by laser99

I am thinking about installing Injen Cold Air Intake (http://www.carid.com/2011-bmw-3-seri...ke-198212.html). Does anyone have any experience with this company/intake system? Any advice or suggestions? Thanks.