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      11-22-2012, 01:41 AM   #5
santov
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Drives: 2007 Z4 3.0si White over Beige
Join Date: Dec 2010
Location: Bay Area, Calif

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Quote:
Originally Posted by mbetoni View Post
As the proud owner of an '08 si roadie, and also the previous owner of an '05 3.0, I can confirm the face lifted car does NOT have a drain plug on the diff, it was deleted with the 'upgrade' to lifetime fill.

Coincidentally, my diff fluid is being changed as I type this. Without the drain, it's simply a matter of sucking the old fluid out with an evacuator and then refilling it to the top.
I couldn't believe that BMW eliminated drain plugs. I would suggest you do NOT remove the cover. It's easier and safer to suck the fluid out like mbetoni suggests.
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