The aFe MagnumFORCE Intakes Stage-1 PDS AIS PDS BMW 330i (E46) 01-06 L6-3.0L is a performance air intake system designed to provide maximum power and torque gains to the BMW 330i (E46) 01-06 L6-3.0L engine. The system includes a high-flow, one-piece sealed housing with a built-in sight window and a Pro 5R air filter with 5-layers of progressive media for maximum filtration. The intake system is constructed of lightweight, high-strength black powder-coated aluminum and includes a heat shield to protect the filter from hot engine air. The intake system also features a Pro Dry S oil-free, non-woven synthetic media air filter for maximum filtration and performance. The system is designed to provide increased airflow, improved throttle response, and increased horsepower and torque.