Hello, I couldn’t find anything exactly aimed at my question, so I’m trying this way with my own thread. I would like to note that I don’t want to start a discussion about whether this or that is just money making by the manufacturers or not. My question is about the interaction between premium fuels and additional additives that you can add yourself. Ultimate etc. I read more often that the proportion of additives is extremely low. So it happened before that I found articles in which additional additives were advised not to add the premium fuels because their interaction could have a negative effect, while with normal diesel + additives no concerns were expressed. I wonder therefore, it’s kind of funny that I try to create a positive effect with additives, but if the proportion i n the premium fuels are too low and I want to help, I should rather resort to the “standard” diesel :-/ If there are people among you who use premium fuels + mix additional additives, I would be happy about your experience 🙂 Thank you in advance