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 320i 2013; 328d 2014; 328i 2013-2012; 335i 2013-2012 BMW 320i 2018-2013; 328d 2018-2014; 328i 2016-2012; 330e 2018-2016; 330i 2018-2017; 335i 2015-2012; 340i 2018-2016; 428i 2016-2014; 428i Gran Coupe 2016-2015; 430i 2019-2017; 430i Gran Coupe 2019-2017; 435i 2016-2014; 435i Gran Coupe 2016-2015; 440i 2019-2017; 440i Gran Coupe 2019-2017