Quote:
Originally Posted by X5only
I drained hardly 4 quarts. I'm thinking I should do two drain/refills to dilute the remaining dirty oil, before dropping the pan.
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Sounds about right. My two recent drain and fills were about 4.5l (a bit over 4.5qts) but in both drain I left it overnight (drain while hot - leave overnight to get cold before fill and then warm to correct temp to set level).
Two drain fill cycles will replace about 75% of the fluid.
Sadly, I now have a trans problem... it has developed a 5th slam at low loads (around 1500rpm or so) - this seems to be a direct result of the drain and fill.
Thinking about options - most likley is a mechatronic "rebuild" such as you are doing.
05-10-2025, 02:34 AM
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