Eibach Pro-Kit for 06-09 BMW 325i/328i/330i Sedan Exterior Styling>Side Mirrors This replacement air spring is

This replacement air spring is designed to replace air spring when it is heavily damaged

Raises boost without increasing turbine drive pressure

large 8" round 360 degree radial flow performance air filter with 5-layers of progressive finer mesh cotton media providing maximum airflow and performance

It checks its health 100 times a second

View the 21-836WR vehicle applications to determine the legal status for each vehicle

Eibach Pro-Kit for 06-09 BMW 325i/328i/330i Sedan Exterior Styling>Side Mirrors This replacement air spring isThe Eibach PRO KIT is a premium line of lowering springs designed to enhance the performance and appearance of your vehicle. Whether you're a car enthusiast looking to improve the handling of your daily driver or motorsports competitor looking for an edge on the track. the Eibach PRO KIT has you covered.