At every fill-up add 30 ml of Marvel Mystery Oil™ to every 10 liter of gas or diesel. An average passenger car tank is about 50 liters so you would add 150 ml at every fill-up. Regular use can lead to improved fuel economy.
Added to engine oil
At your next oil change, replace 20% of your engine oil (traditional or synthetic) with Marvel Mystery Oil™. For example, if your engine has a 5 liter oil capacity, replace one liter with Marvel Mystery Oil™. Repeat at every oil change for optimal performance.
