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