I dont think the trans is made by GM on an e39 (archive)
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Posted by Bradley on November 25, 2001 at 20:45:29:
In Reply to: Re: To BB, stay with the 3.0 posted by JCX5 on November 25, 2001 at 20:19:38:
(posted from: cx422986-a.elcjn1.sdca.home.com (24.4.74.73))
The trans in the 540 is GM - but not in X5 (I think it is a ZF unit???). The auto in my 540 held up well for @45k miles. BUT! I like the trans in the X5 much better. I would guess that the 4.4 puts more stress on a trans - 324lb-ft of torque will do that. But I did not have durability problems of any kind w/trans.
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