K&N Replacement Air Filter (33-2200) BMW 3 series E30 This means you get all

This means you get all the noise of the blow off valve whilst retaining the compatibility with the recirculation requirements of the engine management system

We used SolidWorks CAD

Manufactured from 6026 grade aluminium

please use PFR85-524

K&N Replacement Air Filter (33-2200) BMW 3 series E30 This means you get allK&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's No Hassle Lifetime Limited Warranty. K&N drop in replacement filters are designed to install easily into your