Bilstein B4 OE Replacement (DampTronic) dampers are direct OE replacements for the electronically adjustable dampers found on many European brand vehicles. Bilstein B4 OE Replacement (DampTronic) dampers are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. Bilstein B4 OE Replacement (DampTronic) 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. Twintube Strut Assembly BMW 228i xDrive 2016-2015; 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; M235i xDrive 2016-2015; M240i xDrive 2019-2017