Bilstein B4 2011 BMW 323i Base Rear Twintube Shock Absorber 2018 Do you need a secondary

Do you need a secondary air injection (SAI) kit

The COBB 2005-2013 BMW 1-Series Sport Spring Kit is the best first step to a better handling and better looking car

with a 210mm outer diameter and over 130

*Does not fit B8/B8

For that reason

Bilstein B4 2011 BMW 323i Base Rear Twintube Shock Absorber 2018 Do you need a secondaryBilstein B4 OE Replacement dampers are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. These dampers are the ideal choice for the driver looking to restore the original performance and handling of their vehicle, with the added benefit of world famous Bilstein quality. Installation Instructions Warranty Material Safety Data Sheet Material Safety Data Sheet