K&N E-3471 Oval Air Filter 8-7/8" X 5-1/4", 4-1/2"H,OVAL ymm_19 Thickness: 1

Thickness: 1

Anti-corrosion coating for improved durability and efficiency

The filter is a PiperCross high flow Foam cone filter housed in a carbon fiber composite enclosed canister that connects directly to the an intake pickup at the front of the vehicle with an application specific inlet scoop

the airflow is much smoother as it enters the turbo inlet tube

BMW 325i Navi 2012

K&N E-3471 Oval Air Filter 8-7/8" X 5-1/4", 4-1/2"H,OVAL ymm_19 Thickness: 1Description K&N E 3471 Oval Air Filter 8 7 8" X 5 1 4", 4 1 2"H,OVAL K&N washable, reusable High Flow Air Filters feature a layered, oiled cotton media engineered to improve airflow and capture contaminants. These filters are designed to provide an increase in horsepower and are engineered to last for the entire lifespan of the vehicle. Each performance air filter is reusable and installs easily into the factory air box. Only needs cleaning every