Absolutely all drivers periodically faced with the need to replace oil in the engine of his car.
The main objective of motor oil is lubrication of the internal parts of the engine. Furthermore, additional functions of oil are the absorption and retention of fuel combustion and fine particles of metal chips products, partial cooling and purification of the engine, protection from corrosion.
There are many oil producers, such as SHELL, MOBIL, XADO, Grom-ex, TEXACO, GULF, ELF, LOTOS, CASTROL, jb-germanoil, MOSTELA. If there is a large variety of selection of engine oil you should start by reviewing the recommendations of the manufacturer of your car.
We can recommend during a run of the car less than 25% of the planned resources (new engine) to use oil of classes SAE 5W30 or 10W30 all season; with mileage of cars 25-75% of the target resource is most advisable to use in summer thee oil of classes SAE 10W40, 15W40, in winter 5W30 and 10W30 and all seasons – SAE 5W40; when the vehicle has mileage of more than 75% of the planned resource it is recommend the use of summer classes of oil SAE 15W40 and 20W40, in winter – SAE 5W40 and SAE 10W40, and in all seasons – SAE 5W40.