K&N BMW Drop In Air Filter

Upgrade your BMW with the top - notch K&N washable and reusable High - Flow Air Filters. These filters feature a cutting - edge design of layered, oiled cotton media. This unique design not only improves airflow but also effectively captures contaminants, leading to an increase in horsepower. Each performance air filter is built to last for your vehicle's entire lifespan and comes with K&N's 10 - Year/Million Mile Limited Warranty. The K&N drop - in replacement filters are a breeze to install in your factory air box. Start enjoying enhanced airflow and superior performance today with K&N's best - selling product! This part fits various BMW models from 1999 to 2006, including the 318ti, 323Ci, 325Ci, and many more.

Using your K&N drop - in air filter is easy. Just remove your old air filter from the factory air box and drop this new one in. It's designed to fit perfectly. As for maintenance, you don't need to replace it often. You can wash and reuse it. Every few months, check the filter for dirt and debris. If it looks dirty, remove it from the air box and wash it with a mild detergent and water. Let it dry completely, then re - oil it using K&N filter oil. When handling the filter, be gentle to avoid damaging the cotton media. Also, always refer to the vehicle's manual for any specific installation or maintenance requirements related to your BMW model.