Bilstein B4 OE Replacement Series gas pressure shocks and struts 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. BMW 325i 2006; 325xi 2006; 328i 2012-2007; 328i xDrive 2013-2009; 328xi 2008-2007; 330i 2006; 330xi 2006; 335d 2011-2009; 335i 2011-2007; 335i xDrive 2013-2009; 335xi 2008-2007 BMW 325i 2006, 325xi 2006, 328i 2011-2007, 328i xDrive 2013-2009, 328xi 2008-2007, 330i 2006, 330xi 2006, 335d 2010-2009, 335i 2010-2007, 335i xDrive 2013-2009, 335xi 2008-2007