[XtremeRevolution]

The M32 uses an 80 or 85 weight gear oil, but will work well on some thin 90 weight oils. GL-4 is the extreme pressure additive rating. Do not use a GL-5 rated fluid in this transmission as those are intended for differentials, not transmissions.

 

[XtremeRevolution]

Yea but if im not wrong M32 has 6 gears i only have 5

You could probably get away with a 75W-90 oil then, but you'd still need it to be a GL-4 oil.