Castrol Syn Gear Oil?

Joined
Aug 5, 2004
Messages
2,852
Location
Back in Arizona. Finally
I use Castrol's Syntec GL-5 75/90 in my BMW mostly because it very closely matches the Castrol SAF-XO that it came with from the factory. Only holds one quart and goes 30k - comes out looking like new. This is in a BMW 330ci with a non posi diff.
 
Top