Online Lazada, Shoppee and other online platforms are the one that I will stay away. Even is genuine  at lower price is still a question mark whether is the oil i purchase really original? Normally just get it from reputable automotive shops, petrol station or buy the oil from service center if you intend to service your own. In fact there are few reputable sellers whom import the oil from US which at least is proven due to their track record by selling in lowyat