Moin together, research has turned out to be partly irresistible, therefore the question. I changed the cooler at my V70I Bj.2000. Before I bought a blue coolant, but then I was unsure if it is the right one and have now filled the system only with water. So now I drive with pure water. The color of the old coolant is left behind…. I am unsure. Can I now release the complete water tomorrow and the 50/50 mixture of water and blue da r Turn it in? LG