[LFranz]

I bought some oil at the local shop & they gave me a multi viscosity oil for the rear drive. It is red in color.
I think in the past I'v always had straight 90W and it wasn't red.

Any suggestions or advice??

 

[CajunBass]

I know little and nothing about such things.

But this seems to be related.

http://www.bmwlt.com/forums/showthread.php?t=25401

 

[AlaskaFish]

BMW 75W140 Synthetic Gear Oil is Red in color.

John

 

[amarider]

The new BMW 75W-90 oil is also red in color.