The diff is a separate unit. The ring gear is bolted to the carrier and drops into the diff case. The pinion shaft is threaded and extends outside of the diff case and held in place by the pinion nut. The gear set is backlashed to correct tolerances. Best practice is to replace the ring and pinion as a set, especially if they have a bunch of miles on them.
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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior
Dallas
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