Fitment Information BMW 335i (E90/E92/E93) N54 (twin turbo) L6 3.0L Gas (2007, 2008, 2009, 2010) BMW 335is (E92/E93) N54 (twin turbo) L6 3.0L Gas (2010, 2011, 2012, 2013) BMW 335ix xDrive (E90/E93/E93) N54 (twin turbo) L6 3.0L Gas (2007, 2008, 2009, 2010) Specs & Features Dyno Proven! 27 whp and 34 ft/lb tq gain! Increased Air Flow by 98% Pro DRY S Air Filter (Dry) - Part # 51-11472 Pro 5R Filter (Oiled) - Part # 54-11472 CARB Exempt: No This system includes a Pro DRY S (oil-free) or Pro 5R Filter (oiled) synthetic air filter. Increases throttle response Direct bolt on, no modification required No tuning required Open-Element Design Allows For Viewing of Massive Air Filters, Yet Seals When Hood is Closed to Keep Out Hot Air This air intake system produces 27 max horsepower, 34lbs. x ft. torque and out-flowed the factory intake by 98%. Includes a durable 16 gauge, powder-coated heat shield; this air intake system features a washable/reusable conical air filter. This intake system also features a heat-insulating molded plastic tube that replaces the stock intake tract and directs increased air flow with improved volumetric efficiency for maximum performance. One-piece heat shield requires little or no assembly and the filter is constructed with 100% polyurethane for long life and multiple cleaning cycles. 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 Redline360 sells only genuine and authentic aFe Power products.