Originally Posted by BobsM3Coupe
That stuff cost about $30.00 a liter and it requires 3 liters.
The right amount is 1.25L
. Maybe you meant that you have to buy 3 liters at a time, which is indeed true.
I actually used about 1.4L after draining it overnight, and spilling a little when full (can't prevent that). Bottom line is you can do TWO differential oil changes with 3 liters, but since most dealers won't use the expensive oil unless squealing is severe, I opted to use Royal Purple Maxgear 75/140 instead (same spec as stock), and problem solved. And yes, I do my own maintenance