Is 5w40 better than 5w30?

Is 5w40 better than 5w30?

In practice, this means that each oil is just as viscous at lower temperatures and will remain viscous at -30°C, however 5w40 oil outperforms 5w30 oils at higher temperatures, being effective up to ambient temperatures of 50°C, as opposed to 30°C.

Can 5w30 be used instead of 5w40?

There’s not going to be much functional difference between a 5w-30 and 5w-40 as there’s a lot of functional overlap in the recommendations. The lower weight might yield better efficiency under light load operating conditions, but higher weight might yield better protection under higher load operating conditions.

Is 5w30 and 5w40 the same?

5w30 is engine oil that has lower viscosity 5 and higher viscosity 30. 5w40 is engine oil that indicates the weight and viscosity of the engine. 5w30 has lower viscosity hence it is suitable to use in hot or lower temperatures. 5w40 has higher viscosity hence it is not suitable at all temperatures.

Can I mix 5w40 with 5w30?

Because generally, the answer is yes. Several viscosity grades are compatible and possible to mix, especially when you are low in oil. It won’t cause any adverse effect on your engine.

Is 5w30 good for high mileage?

5W-30 motor oil is the top viscosity recommendation by automakers over the past four decades for use in many vehicle types. Furthermore, high-mileage 5W-30 motor oil is specially formulated for late model vehicles or newer vehicles with over 75,000 miles/120,000 kilometers.

Can I mix 5W40 with 5w30?

Can I use 5W40 instead of 5w30 for BMW?

Registered. The Castrol oil that BMW used to spec was midway between a 30 and 40 weight. Anything from 0W30 to 5W40 will be fine if it has the LL-98 or LL-01 rating.

Can I mix 5W40 with 5W30?

Can I mix 5W40 and 5w30?

What is the difference between 5W30 and 5w40?

In the case of oil flow, the 5W40 offers a higher working pressure, but on the contrary, it has a less smooth flow than 5W30. That is why, in the case of overall flow, we would recommend 5W30 over 5W40 in this case.

When to use 5W motor oil?

It is recommended that you keep 5W motor oil on hand before the first gust of cold strikes. 5W viscosity grade calls for the lubricant to properly flow at lower temperatures as compared to, for instance, oil with 20W viscosity, hence you should use it when the weather is cold.

What is 5W viscosity of oil?

5W Viscosity. 5W viscosity grade calls for the lubricant to properly flow at lower temperatures as compared to, for instance, oil with 20W viscosity, hence you should use it when the weather is cold.