The aFe MagnumFLOW Air Filters OER PDS A/F PDS BMW X5 07-10 L6-3.0L is a performance air filter designed to provide superior air filtration and protection for your BMW X5. The filter is constructed with 100% polyurethane on all sides for long-lasting durability and strength. The oil-free, synthetic media is designed to provide maximum airflow and filtration. The filter is designed to increase horsepower and torque and is washable and reusable for multiple cleaning cycles. The Pro 5R filter media also helps to reduce intake noise and provides superior filtration for improved engine performance.