Fitment Information 2008-2013 BMW 128i (E82/E88) N52 Engine Gas L6-3.0L 2006-2006 BMW 325i (E90) N52 Engine Gas L6-3.0L 2006-2006 BMW 325xi (E90/E91) N52 Engine Gas L6-3.0L 2007-2011 BMW 328i (E90) N52 Engine Gas L6-3.0L 2007-2012 BMW 328i (E91) N52 Engine Gas L6-3.0L 2007-2013 BMW 328i (E92/E93) N52 Engine Gas L6-3.0L 2009-2011 BMW 328i xDrive (E90) N52 Engine Gas L6-3.0L 2009-2012 BMW 328i xDrive (E91) N52 Engine Gas L6-3.0L 2009-2013 BMW 328i xDrive (E92) N52 Engine Gas L6-3.0L 2007-2008 BMW 328xi (E90/E91/E92) N52 Engine Gas L6-3.0L 2006-2006 BMW 330i (E90) N52 Engine Gas L6-3.0L 2006-2006 BMW 330xi (E90) N52 Engine Gas L6-3.0L 2006 2007 2008 2009 2010 2011 2012 2013.  See above for fitment. Note: This intake system is not CARB exempt at this time and is not legal for sale in California or use on vehicles registered with the California Department of Motor Fits both active and non-active steering. Throttle body spacer 46-31011 will fit with this air intake system. Specs & Features Pro Dry S Air Filter Dyno-Proven Gains of +9 HP and +8 Lbs. x Ft. TQ Outflows Factory Intake by 67% Measured Flow: 460 CFM @ 7” H20 Washable and Reusable Pro DRY S Air Filter for Maximum Convenience Open-Element Design Showcases the Air Filter and Delivers an Aggressive Air Intake Sound Innovative Filter-to-Housing Interface and Minimal Hardware for Fast & Easy Installation Connects to the Factory Air Inlet Scoop with No Additional Hardware Pro 5R Oiled Air Filter Dyno-Proven Gains of +10 HP and +8 Lbs. x Ft. TQ Outflows Factory Intake by 84% Measured Flow: 505 CFM @ 7” H20 Washable and Reusable Pro 5R Air Filter for Maximum Performance Open-Element Design Showcases the Air Filter and Delivers an Aggressive Air Intake Sound Innovative Filter-to-Housing Interface and Minimal Hardware for Fast & Easy Installation Connects to the Factory Air Inlet Scoop with No Additional Hardware Product Description aFe (advanced FLOW engineering) spends countless hours with each and every vehicle to ensure that their intakes produce the most horsepower possible.  Each intake is dyno tested over and over to ensure their design, air filter, and technology creates the best environment for the most power and torque.  We love this intake so much, we run it on our own shop cars! aFe uses their special high-flow conical air filters that allow the most possible air flow without letting in contaminants.  Each intake produces a deep and throaty sound and outflows the factory intake by an average of 30%! aFe Cold Air Intake Features: Dyno Proven Horsepower Direct Bolt On Installation Includes all necessary hardware