Every car enthusiast asks the question of choosing an engine oil for his car.Should the automaker trust the oil recommendations or listen to the experience of friends, acquaintances and service station workers?Are all oils approved by the vehicle manufacturer equally good? What happens if other oils are added to the car? Is it possible to pour mineral oils into modern engines and is there any experience of using such oils from specific car owners?The application offered to your attention will help you find the answer to these and other questions, which will be filled with information about almost all aspects of the use of fuels and lubricants in your favorite car.