The Bilstein B8 Performance Plus front-left monotube strut is a direct-fit performance upgrade for 2013–2014 BMW 328i xDrive and 335i xDrive, and 2014–2015 428i xDrive applications. Built with a monotube design and application-specific valving, the B8 pairs with aftermarket lowering springs to sharpen handling while maintaining ride quality. The 36mm strut assembly meets or exceeds OE testing standards.
Bilstein B8 SP Monotube Strut - Front Left 13-14 BMW 328ix, 335i XDrive, 14-15 BMW 428i XDrive