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      01-06-2010, 12:02 PM   #2
Bcube
Been there, wrecked that.
 
Drives: '07 E93 335i
Join Date: Jul 2009
Location: SoCal

Posts: 547
iTrader: (0)

Here is my experience with finding fluid for the rear diff.

BMW Part Number:
BMW OSP Synethetic differential oil / PN 83229407768 / Container: 55-Litre barrel. So that didn't work.

What else?
BMW Expressly approved hypoid oils:
A page long list of European manufactures, but one particular stands out due to my BMW motorcycling days:
Castrol SAF-XO.

Now where to find? It isn't a normal North American import.
Well what do you know: Land Rover part number LRN7591 sold in individual quarts. And this is what I ended up buying at the local LR dealer.

Data confirmation:
LRN Fluid part numbers:
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-Brian
~199K miles. I -still- don't fear my 335i.
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