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Old 06-21-2017, 02:05 PM
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Join Date: Oct 2007
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Quote:
Originally Posted by Bimmer-Bob View Post
Especially if just doing a drain and fill. I've heard that an actual flush can be detrimental ("stirs up sediment"), no idea if that has any truth to it.


With burnt, black fluid, I imagine it might take a few successive drain and fills to get enough of the bad stuff out?
Using compressed air through the cooler line with the pan and filter off (TC drained as well) will get 90 + percent of the old fluid out. The remaining amount is inconsequential.
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