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I have a 2001 740il with 83000 miles on it. I purchased it about 10000 miles ago and would like your opinions on changing the auto trans fluid. I have used Amsoil Synthetics for many years in all my other vehicles with great success. the manual says its filled for life, I don't believe thats the best thing for long life, what do you guys think. Should I change to Amsoil trans fluid???
Terry :idea2 :idea2
 

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Well, I don't know of anybody using any other fluid, so I can't say for sure how it would work. I would imagine it would be fine. The BMW fluid is a synthetic as well.
I think that the fluid in that tranny is of a normal consistency to regular atf, but the newer trannys in the 3 series at least, have a very thick fluid. In that case, I don't know about using an atf type fluid, but the 740 is probably ok.
If you can wait a day or two, I can check on the fluid.
I am also an Amsoil dealer if you need anything.......
 
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