This aFe 19-22 BMW Z4 30i L4-2.0L (t) Track Series Carbon Fiber Cold Air Intake System w/ Pro 5R Filter is designed to improve the performance of your BMW Z4 30i. It features a carbon fiber cold air intake system with a Pro 5R air filter that provides maximum airflow and filtration. This system is designed to provide improved power and acceleration with up to 18 horsepower and 20 lbs. x ft. of torque. It also features a one-piece sealed housing with auxiliary air scoop for a hassle-free installation. The system also includes a heat shield to protect the filter from engine heat and a Pro 5R air filter to provide maximum filtration and airflow.