so been searching for half an hour.. 02 x5 4.4, what size is the diferential? tried the service tag, casting number, parts catalogs.. nada zip zilch. also is the S still meaning its limited slip? and got 4.10 gear ratio. Heres the numbers I have

cast into diff 1428631a

service tag

7510655/e2445n 4.10

8901102302350008

so what size is the ring gear on this thing anyays?