The driveshaft features the **same length as the original OEM part**, with targeted structural optimization and upgraded durability. It completely fixes the original factory weak point of easily damaged bearings, while greatly improving drivetrain stability and service life.Fitment: Compatible with all XRAY X4 '23 / '24 / '25 / '26 models.Must be installed with the following original OEM parts; cannot be used alone:305241 Drive Shaft Boot305358 Wheel Hex Hub305356 Wheel Hex Hub304970 Drive Cup