The aFe MagnumFORCE Intakes Stage-2 PDS AIS PDS BMW 3-Series (E46) 99-06 L6-2.5L/2.8L/3.0L is an aftermarket air intake system designed to increase the performance of BMW 3-Series (E46) models from 1999 to 2006 with L6-2.5L/2.8L/3.0L engines. This system features a one-piece, sealed housing with a durable, powder-coated finish for maximum protection against the elements. The included Pro 5R air filter utilizes five layers of progressive cotton media to provide maximum flow and superior filtration. The air intake system also includes a Pro Dry S oil-free air filter to prevent the build-up of dirt and dust. This system is designed to provide a noticeable increase in horsepower and torque while improving throttle response and acceleration.