Only refuel using unleaded premium grade gasoline with at least 91 AKI / 95 RON. → 最低需求:必須 ≥91 AKI,也就是 95 RON(這是最低標準)。
To ensure the longevity and full performance of the engine, only premium-grade unleaded gasoline must be used. → 為了引擎壽命與性能,應使用「Premium」(在歐洲/台灣指 RON98,在美國是 AKI93)
"Performance data of petrol engines apply to vehicles using RON 98 fuel. Fuel consumption data apply to vehicles using reference fuels in accordance with EU Regulation 2007/715. Unleaded RON 91 and higher with a maximum ethanol content of 10% (E10) may also be used. BMW recommends RON 95 super unleaded petrol."