Yup I know its synthetic. The BG fluid also works in my other cars You might find it is less money and exceeds the standards of other factory fluids including WS.
I also use it for the power steering in all my cars.
IMHO this is a job any average do it your selfer can do but filling from the...
Just to add what I did with my 05 V8 4X4.
I used a full synthetic fluid from BG its called 312.
I was able to fill it through the transmission cooler line using the top cooler line right off the factory cooler
I used the drain and fill method after 4 drain and fills of 3.5 litres its just...
