Quote:
Originally Posted by mmmusty
Dack, do you recommend then a particular Oil to change the diff and transmission fluids? Sorry if redundant, but seeing as how you have experienced with different oils i was hoping you can impart some wisdom for my 128i with manual transmission. Im looking to change both diff and tranny fluid ASAP.
Thanks brother
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I am currently running Redline's MTL in my manual trans and RL's 75w140 gear oil in my diff. You could also run RL's ATF-D4 in your manual trans(IF you live in a cold climate) and RL's 75w90 gear oil for the diff.
You WILL need some way(tool) to suck out the old diff fluid since BMW did not provide us for a drain plug/hole. Only a fill hole is on the diff.
I am fairly happy with MTL in my trans(its gets to about -10'C and +33'C) in Germany. Right now the MTL is kind of "stiff" for those first few shifts until the trans gets warm. With ATF-D4 is a little bit smoother(cold). The MTL is better on a warm day over the D4.
Hope this helps you out.
Dackel