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      08-20-2009, 10:23 PM   #19
jimk
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Drives: 2011 E90 M3 M/T
Join Date: Jun 2009
Location: Denver, CO

iTrader: (5)

This is what I got from red line when I was inquiring about the tranny, differential and transfer case fluids:

Jim,

Thank you for contacting Red Line Oil, in your manual transmission I would recommend the D4ATF, the X-Drive transfer case calls for a special fluid which we don't offer a cross for at this time and 75W90 in the differentials.

Regards, Dave
Red Line Oil