Hello together Please write down your experiences with the oil types you are using. To the screwdrivers among you: The many muddy engines have been driven with………. oil??? What do the engines from which you are supplied with your precious blend. Long distance? Short distance? Go girls, let the pants down… :-)) How do I make the workshops unemployed because my engine only needs the oil exchange walls up to 300000. What is black mud and how does it develop? Who believes a n the 100000 km oil?? I’m looking forward to your contributions. And remember.. with your tips you will prolong the life of hundreds of poor cars!!!