Decided to write a more honest review! Previously poured this oil and only pleased! But now I'm thinking of switching to another brand. Recently, after starting the engine in winter, there is a knock for 1-3 seconds and disappears, alerted. And I’m not the only one with such garbage, I looked on the internet, some have the same situation, when starting in winter, the knock lasts a few seconds. Disappointed( I will be switching to a different brand next time. And by the way, I have an original, not a fake !