Fuel quality

Do not use leaded fuel as this would permanently Refuel with unleaded fuel only

Do not use leaded fuel as this would permanently damage the catalytic converter.

Do not refuel with E85, i.e., fuel with an Do not refuel with ethanol

Do not refuel with E85, i.e., fuel with an ethanol content of 85 %, or with Flex Fuel, as this would damage the engine and fuel supply system.

See also:

Maintenance and repairs
Advanced technology, e.g., the use of modern materials and high-performance electronics, requires suitable maintenance and repair methods. Therefore, have this work performed only by a BMW cent ...

Safety
The X3 earned a 2009 Top Safety Pick designation from the Insurance Institute for Highway Safety, the agency's highest award. That means it earned top scores in IIHS' frontal-offset, side-impact a ...

Volume
► "Speed volume": speed-dependent volume control. ► "PDC": volume of the PDC signal compared to the entertainment sound output. ► "Gong": volume of ...