K&N Performance Air Intake System (57-3095) BMW > 1 Series > F20/F21 2012 Onwards > M135i 2012-2015 (N55) Easy to install with commonly

Easy to install with commonly available tools

This has the benefit of improving both performance and efficiency

42% increase of frontal area

In either black or polished finish it is an excellent alternative to other rubber or plastic ones on the market

K&N Performance Air Intake System (57-3095) BMW > 1 Series > F20/F21 2012 Onwards > M135i 2012-2015 (N55) Easy to install with commonlyA high density polyethylene (HDPE) rotationally molded tube helps increase the volume of airflow to your engine, and provides a guaranteed increase in horsepower and torque. These systems are paired with a washable, reusable High Flow Air Filter featuring oiled cotton filter media. The oversized, conical design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield helps protect