u cant possibly know which is which, those oil manufacturers even have their agents in plain cloth surveying the market, and they cudnt identify the original from the fake units. buy from dealers dat u trust, and buy at the stations, these two has always been my practice for years, especially after the kilang in rawang was busted. seeing dat in tv made me even more careful, because the packaging looked exactly the same as the original. be careful guys
fyi, magnetec is a good oil, it shud work as well as the others.