Not sure which 2009 BMW 3-Series Air Intake Systems are right for you? We have over 20796 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"As far as aftermarket intakes go for the e90 BMW's, the fully enclosed afe stage 2 si intake is definitely one of the best options. its a bit pricier but the fully enclosed design ensures that no hot air will be sucked in. the sound is amazing as well. install is very easy!" —Johnny N from Lutz, FL bought an aFe Cold Air Intakes for a 2009 BMW 3-Series.