The Bilstein B4 OE replacement front-right strut assembly for 2014–2017 BMW 640i xDrive combines a twin-tube strut with OE-quality construction to restore factory ride and handling. B4 assemblies meet or exceed OE standards for direct-fit replacement, offering precise damping, high power reserves and reliable construction to maintain comfort, safety and original steering response in xDrive applications.
Bilstein 14-17 BMW 640i xDrive B4 OE Replacement Suspension Strut Assembly - Front Right