Upgrade your BMW today with K&N's top-selling drop-in air filter! This filter is a game-changer for your vehicle's performance. • Superior Airflow: Engineered with a state-of-the-art layered, oiled cotton media to boost airflow. • Increased Horsepower: Enjoy a significant increase in horsepower for a more thrilling drive. • Reusable & Long-Lasting: Designed to last the entire lifespan of your vehicle and backed by K&N's 10-Year/Million Mile Limited Warranty. It installs easily into your factory air box. This part fits multiple BMW models from 2006 - 2013, including the 128i, 325i, 328i and more.

Use this air filter when you're looking to enhance your BMW's performance, whether it's for daily commuting or weekend road trips. It's perfect for BMW owners who want to get the most out of their vehicles without frequent filter replacements. While exact size and weight aren't specified, it's designed to fit seamlessly into your BMW's factory air box, making installation a breeze.