drive shaft oil ,straight 90 ok ?

[jackassdave]

nearlly there with the rt ,need to refill the drive shaft with oil ,manual says 80/90 .
but ive got gallons of straight 90 ,will that be ok ,cant see that it wont hurt .

 

[Rob Farmer]

As long as it's GL5 spec.

90 is fine aboe 5°C according to the BMW tech manual.


This is from the Mono G/s tech manual.