Feb 21, 2023 · The first number, however, is different – “0”, compared to “5”. (Technically, these numbers are attached to the “W” too, but we’ll come onto that in a little bit). Since 0 is less than 5 (if you know your math), it means that ( at a certain temperature) 0W20 is less viscous than 5W20. Or, if you prefer, it’s thinner. Apr 16, 2022 · Apr 15, 2022. #9. Yes, its fine. The first number, the W, will end up falling somewhere between 0 and 5W. The engine will never notice the difference, and you or your friend won't either. A 5w oil is usable down to something like -30F anyway so the temperature is something you will never have to worry about, either. J. Nov 3, 2019 · Both 5w-20 and 0w-20 are IDENTICAL once the car is up to temperature. The difference is how thin those oils are when the car is cold. Neither the 0w or the 5w flow enough in the cold to properly lubricate your engine. However, the 0W is thinner and does LESS damage at start up than the 5W oil. Jul 26, 2022 · Yes, you can mix 5W30 and 0W20 whenever you need to top up your engine oil level and can’t find the right one. However, there are some things to keep in mind. Both oils should be the same brand and the same type (you can read more here about the different oil types). However, if doing an oil change, mixing different oils is not recommended. Dec 8, 2021 · But you can use 5w40 for starting your engine at a low temperature. You can use a 5W50 motor oil in classic or collector cars and high operating temperatures. 5w40 vs. 5w50 Subaru. The recommended motor oil for all Subaru engines is 0w20 and 5w30. The 5w40 motor oil and 5w50 motor oil are not included in the recommended list. Oct 14, 2022 · Can I use 5w40 instead of 0w20? No! 0w20 is used in hybrid engines or other tight tolerance engines. 5w40 is too viscous to flow into the crooks and crannies of the engine, and many 5w40 oils are SM or SL grade instead of the SN plus grade that nearly every 0w20 oil is. Nov 6, 2022 · BMW says you can use an: 0w40, 0w30, 5w30 or a 5w40 LL-1 oil in the USA. Btw… you can also use a LL-4 rated oil where a LL-1 oil is spec’d, but not vice versa! Maybe who ever changed you oil put too much oil in the engine. Can you put 5W-30 in a BMW 328i? A BMW 328i takes a synthetic, high-performance SAE 5W-30 engine oil. Recommended The ans is Yes, you can you 5w30 instead of 0w20. You won’t find any massive differences, but in extreme colder weather conditions, you will find a performance drop by using 5w30. Also, It depends on the Variable Valve Timing (VVT). If your car engine has VVT, It’s recommended to don’t change the weight and stick with the manufacturers Nov 5, 2022 · When the engine is running and hot, 5w40 and 10w40 have high viscosities and are equally effective in protecting against engine wear. What happens if I use 5w 40 instead of 5w 30? You should never use 5W20 motor oil in an engine that is supposed to use 5W30. Doing so can lead to extreme damage to your engine over time. Feb 18, 2021 · His shop has been in the same place since 1988. He said 0w30 will help improve lubrication in the 5.7 HEMI. Most who are using 30 weight oil appear to be using 5w30, though some are using 0w40 as well. 5w20 or 5w30 is going to have the same cold temp viscosity, so either one should be fine. LY2F1.