This air intake system produces 27 max horsepower, 34 lbs. x ft. torque and out-flowed the factory intake by 98%. Includes a durable 18 gauge, powder-coated heat shield; this air intake system features a washable/reusable conical air filter that improves airflow. 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. This is designed for the BMW 3 Series E90 E92 335i/xi