Quote:
Originally Posted by Captain Buumer
For cold climates -5 and less.
I did manual transmission oil change and put inside:
Febi Bisten equivalent transmission oil... FEBI BILSTEIN 40580
In short when transmission is still cold shifts were worse than the original old oil - not smooth at all.
I then purchased 2L of original BMW 83222339221 oil and put into transmission and in cold temperature it is very smooth.
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I had the same experience. Even at 40F (5C), the Febi oil causes crunching during gear shifts. I replaced it 3 weeks later with BMW MTF-LT-3 (83222339221) and gear changes are smooth and back to normal.
The Febi oil is not synthetic and smells like engine oil, whereas the BMW MTF-LT-3 is fully synthetic and smells a bit like brake fluid.