Bilstein B8 Performance Plus dampers are a performance upgrade to OE dampers designed to be paired with aftermarket lowering springs. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is rigorously tested for quality that meets or exceeds OE standards. B8 Performance Plus dampers are the ideal solution for pairing with a lowering spring for improved handling and sportier look with the added benefit of world-famous Bilstein quality. 36mm Monotube Strut Assembly What's Included: Bilstein B8 SP Monotube Strut - Front Right 13-14 BMW 328ix, 335i XDrive, 14-15 BMW 428i XDrive Vehicle Fitment: 2013-2016 BMW 328i xDrive Base 2013-2015 BMW 335i xDrive Base 2013-2018 BMW 320i xDrive Base 2014-2016 BMW 428i xDrive Base 2014-2016 BMW 435i xDrive Base 2014-2016 BMW 328i GT xDrive Base 2014-2016 BMW 335i GT xDrive Base 2014-2018 BMW 328d xDrive Base 2015-2016 BMW 435i xDrive Gran Coupe Base 2015-2016 BMW 428i xDrive Gran Coupe Base 2015-2016 BMW 228i xDrive Base 2016-2018 BMW 340i xDrive Base 2017-2021 BMW 230i xDrive Base 2017-2019 BMW 330i xDrive Base 2017-2019 BMW 330i GT xDrive Base 2017-2019 BMW 340i GT xDrive Base 2017-2020 BMW 440i xDrive Base 2017-2020 BMW 440i xDrive Gran Coupe Base 2017-2020 BMW 430i xDrive Base 2017-2020 BMW 430i xDrive Gran Coupe Base