The aFe MagnumFORCE Intakes Stage-1 PDS AIS PDS BMW Z4 (E85) 03-05 L6-3.0L M54 is an intake system designed to improve the performance of your BMW Z4 (E85) 03-05 L6-3.0L M54. It features a one-piece sealed housing with a Pro 5R air filter for maximum airflow and a Pro Dry S oil-free filter for maximum performance. The system also includes a Pro 5R air filter wrap and a heat shield to protect the filter from engine heat. This intake system is designed to provide increased horsepower, torque, and improved throttle response, while also providing superior filtration and protection.