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Old 08-25-2010, 02:59 PM   #2
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Join Date: May 2004
Location: Bethlehem, PA
Posts: 918
My Ride: 2004 330i
It's supposed to be lifetime fluid. In reality, you probably don't need to change it. If you do, I'd search a bit here and you'll see a few alternatives to the BMW oil (which is a bit expensive). As for changing it, really easy. Drain it and fill it until it runs out the fill hole.
mrshelley is offline   Reply With Quote