Premium gas is better for the environment. High octane gas burns more cleanly than regular gas, so it will have less of a negative impact on the environment. It also has less odor. That being said, using premium gas in cars that do not require it will not improve gas mileage nor lower pollution rates.
While some BMW models may require premium fuel for optimal performance, the majority of BMW vehicles are designed to run efficiently on regular unleaded gasoline with an octane rating of 87. However, it is crucial to consult your owner’s manual or speak with a certified BMW dealer to confirm the specific fuel requirements for your model.Do you really need premium gas? Some cars that need premium only need 91 octane, and others may require 93 octane. If the owner’s manual indicates premium gas is recommended, you can typically operate the vehicle safely on regular gas. Still, you may not reach the performance and fuel economy indicated in the car’s specifications. What The Best BMW X7 Model Years. As of right now, you can only choose between three model years: the 2019, 2020, and 2021. 2020 might have been an awful year for, well, the entire world, but it was a great one for the BMW X7. On this line-up, you could opt for the extra powerful M50i engine as well as optional all-wheel drive. rbVt8.