Petrol engines
Do not refuel the vehicle with leaded gasoline, as it causes irreversible damage to the oxygen sensors and catalytic converter.◄
Gasoline may be desulfurized. Knock control allows the use of gasoline of different grades.
► Your BMW engine is designed for:
SUPER PLUS gasoline – AKI-98.
This grade is preferred because it allows the rated engine output and fuel consumption to be achieved.
► Refuelling is permitted with:
unleaded SUPER petrol – RON 95.
This gasoline may be designated as:
DIN EN 228 or EURO-SUPER.
► Minimum requirement:
standard unleaded petrol – RON 91.
At high outside air temperatures, engine starting may be accompanied by knocking.
This does not affect engine service life.
Test yourself
A quick BMW X5 quiz: every answer comes with an explanation and a link to the manual page.