i ordered 3 gallons of castrol import, and was able to do two drain and fills with oem filter and it shifts so smooth and got rid of my 2-1 hard downshift have driven about 2,000 miles on it with my 02 4.6is. changed with 105k with OE fluid which was black. i tried castrol import because of this success story. TravX, http://www.xoutpost.com/bmw-sav-foru...st-time-3.html