*For first time user and your car mileage is more than 100000KM, please purchase double as to achieve its optimium condition. 1 bottle of dianano will serve 4 litres of engine oil. For example. for first time user and more than 100000KM mileage on a 4 litres engine oil, you will need to purchase 2 bottles of dianano. However, on your next oil change. you will only need 1 bottle of dianano.
*Please note that this dianano is to pour into your engine oil compartment.
