[JimD]

I ordered some MTF and 75W-90 weight for the rear end Monday night from Amazon. I went with the "free shipping" so it may not get here in time for the weekend but if it does, I should be able to tell you how my BMW shifts with MTF next week. If not, it will be the following week. I have to drive 0.6 miles at 25mph going through 3 stop signs just to get out of my development. So the first few shifts for me do not need to be done quickly. I will try to note the weight and any other "feel" difference. I don't know what was in my other two vehicles before I changed them to MTF but in both cases my perception and my late wife's perception was the effort level went down with the MTF.

Did you consider taking the cover off the rear end instead of suctioning the old fluid out?

Jim