Quote:
Originally Posted by smassey321
BMW TCs have a wet clutch inside. So most likely something is added to the gear oil to work with the clutches. Much like a LSD differential. Since it only takes 1 quart I use the OEM fluid.
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Correct me if im wrong?, so just 1 quart of 75W from BMW make sure its GL-4? and 2 quarts I guess Red Line. Mobil 1 90-140W or Amsoil for the differentials?
Im gonna do mine sometimes this summer.