K&N Engineering Drop In Air Filter: BMW 523i 2009 - 2010 3.0L-L6 Drive Shafts and Drivelines clean joints that enhance durability

clean joints that enhance durability and aesthetic appeal

reducing the need for frequent cleaning and maintaining a sleek appearance

Optimized valving for balanced ride comfort and handling

Designed specifically for models from 2008 to 2011

KW HAS systems allow you to adjust the vehicle ride height with the KW height adjuster even after the kit has been installed

K&N Engineering Drop In Air Filter: BMW 523i 2009 - 2010 3.0L-L6 Drive Shafts and Drivelines clean joints that enhance durabilityK&N Engineering Drop In Air Filter BMW 523i 2009 2010 3. 0L L6 Part #: 33 2970 Overview The K&N Engineering Drop In Air Filter is a high performance replacement designed specifically for the BMW 523i models from 2009 to 2010 with a 3. 0L L6 engine. Crafted to enhance your vehicles airflow, this washable and reusable air filter helps optimize engine response and efficiency. Ideal for enthusiasts seeking improved performance and durability, the filters