Bmw X5 Octane Requirements. With a lower compression engine say 8:1 you can use a lower octane fuel due to less heat being created. To avoid harmful engine deposits, it is highly recommended to purchase gasoline from top tier retailers.
2021 bmw x5 sdrive40i 6 cyl, 3.0 l, automatic (s8) premium gasoline. However, using standard unleaded fuel is not hazardous.