Quote:
Originally Posted by JHZR2
What is specified for your vehicle?
I ran Pentoson FFL-3, IIRC, because it crossed to he ZF spec that crossed to the BMW MTL spec for my 135. Ive been happy.
Lower viscosity lubricants will perform better in the cold but compromise high temperature performance to a point. Higher viscosity will be more difficult to shift in some conditions. Some fluids may have friction modifiers that affect synchronization.
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I have the GM 6spd transmission