Just to clarify, not all ATFs are safe for a manual trans: the D4 stuff is unique because it also a GL4. I'm actually surprised you guys are running it, as it is some 50% thinner than the factory 75w80.
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Now: 2017 Corvette Grand Sport, 2021 AMG C63 S sedan
Past: 2011.5 M3 sedan ZCP
Last edited by dparm; 12-09-2013 at 06:41 PM..
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