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Hey Guys!
I have another question.
I would like to change the gear oil in my differential on my 1990 760 GLE sedan. I am aware of the drain/refill plugs, but it is rather confined underneath this model! I have done this procedure to my 740's on many occasions, however this model seems to be a potential problem. I have a gear oil tube/screw on cap for the bottle. One other thing might 85W-140 be way too heavy for my differential? I have some synthetic 75W-90 to go in the differential now. I have 2 quarts. Please all suggestion/experiences are welcomed!!
Thanks in Advance
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