February 25, 200323 yr My main dealer has put 10/30w oil in my manual gearbox because the new 75/90w they put in previously caused difficult gear selection when cold. This oil has cured the problem, but I wonder if this oil is ok longterm for the box? What about putting Redline MT90 in??
My main dealer has put 10/30w oil in my manual gearbox because the new 75/90w they put in previously caused difficult gear selection when cold.
This oil has cured the problem, but I wonder if this oil is ok longterm for the box?
What about putting Redline MT90 in??