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.\nBMW 525i 2007-2004; 528i 2010-2008; 530i 2007-2004; 535i 2010-2008; 545i 2005-2004; 550i 2010-2006\nBMW 525i 2007-2004, 528i 2010-2008, 530i 2007-2004, 535i 2010-2008, 545i 2005-2004, 550i 2010-2006