Quote:
Originally Posted by TheRuss
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The Castrol Syntrax Longlife 75W-90 (Formerly SAF-XO 75w-90) diff oil is Ok to use. SAF-XJ can be used where XO is spec'd but not vice versa.
I do not know about that Fuchs oil - for the manual trans. I did not see where it says its approved in BMW transmissions. But then again neither is Redline D4 or D6 ATF.
The only reason why I use Redline's ATF D4 is bc I have run it before for 200K kms in my old bmw's so I am comfortable running it in my 135i.