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The aFe Magnum FORCE Stage-1 cold air intake for BMW E39 525i/528i (1997–2003) is a drop-in system that boosts airflow and throttle response. Enclosed in a 16-gauge heat shield, it uses a washable, reusable Pro 5R conical filter and a three-angle adapter to increase air velocity. The system is intended for straightforward installation: remove the factory intake, mount the adapter and filter, and gain measurable horsepower and torque improvements.
aFe MagnumFORCE Intakes Stage-1 PDS AIS PDS BMW 525i/528i (E39) 97-03 L6-2.5L/2.8L
