---BMW X3 X5 x6 REAR DRIVE AXLE DIFFERENTIAL INSTALLER/REMOVER TOOLS ---THIS TOOL IS DESIGNED FOR INSTALLING AND REMOVING HE SCREW NUT BETWEEN REAR DRIVE AXLE AND THE DIFFERENTIAL , ---ALSO CAN BE USED TO REPLACE THE SEAL OF THE DIFFERENTIAL SHAFT . ---APPLICABLE : BMW RWD AND 4WD SERIES ---BM NUMBER :335040 335050 . 335060 335080 230020.