This Performance Air Intake System allows your engine to breathe more air compared to the restrictive factory air intake housing. It is designed, tuned and dyno-tested to produce more horsepower and torque. Air enters the system from the factory fresh air inlets. through replacement air duct and into a roto-molded, aerodynamic AEM air box containing an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance.The cone shaped AEM Dryflow air filter is made from an oil-free, synthetic filter media that can be used for up to 100,000 miles before cleaning is needed (depending on driving conditions). This Air Intake System is backed by AEM's Lifetime Limited Warranty. Some AEM air intakes are not legal for sale or use in California and other states adopting California emission standards, while others are 50 state legal. View the vehicle applications to determine the legal status for each vehicle.
AEM's Performance Cold Air Intake Systems are designed, tuned and dyno-tested to give your engine more power and acceleration by replacing the restrictive factory air filter, air intake tubing and air box assembly.

Fitment:
2007 BMW 328i Base
2007 BMW 328xi Base
2008 BMW 328i Base
2008 BMW 328xi Base
2009 BMW 328i Base
2009 BMW 328i xDrive Base
2010 BMW 328i Base
2010 BMW 328i xDrive Base
2011 BMW 328i Base
2012 BMW 328i Base
2012 BMW 328i xDrive Base
2013 BMW 328i Base
2013 BMW 328i xDrive Base