Good evening everyone,
I have to admit that the choice of oil is really bothering me.
I would also like to change the diff-oil now.
Currently there is:
LIQUI MOLY high-performance gear oil (GL4+) SAE 75W-90
or
LIQUI MOLY Fully synthetic gear oil (GL5) SAE 75W-90
What do I use now? GL4+ is...