Quote:
Originally Posted by X5only
Asking because 04+ have Xdrive instead of the old regular 40/60 split transfer case. Are the diffs ends exactly the same or the engineering flaw causing this issue was addressed in later year models?
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Ok, found the answer to my query in an old thread. Weasel pointed out in that thread that the shredded spline issue does not affect Xdrive
http://www.xoutpost.com/bmw-sav-forums/x5-e53-forum/63004-transfer-case-removal-pictures-6.html
"The older one can have the chain slack problem like this thread, and the front output shaft splines can strip on some of them as well. The x-drive is not going to have the output shaft splines problems and is not going to have the chain slack problems... because all the abuse gets thrown to the clutch pack, which is what wears on them causing replacement costs.
Pretty much either one is just as likely to get worn to the point of repalcement over the years. But that is with anything with a transfer case. I've repalced them on fords, chevys, dodges, jeeps, etc. Unavoidable costs of having a 4 wheel drive vehicle."