Quote:
Originally Posted by Ashock
It seems that on the redline website, they're recommending D6 ATF as the manual transmission fluid. I'm debating if I should get D4 ATF or D6 ATF for my 2008 128i now...hmmm
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IF you park outside in the winter... get the D6. IF you park inside... get the D4. The D4 is a slightly thicker oil/fluid.