2006 BMW X5 Owner's Manual - Page 26

26nFuel specifications Use high-quality brands The use of poor-quality fuels may result in drivability, starting and Field experience has indicated significant differences in fuel quality: volatility, stalling problems, especially under certain environmental conditions such as composition, additives, etc., among gasolines offered for sale in the United high ambient temperature and high altiStates and Canada. Fuels containing up tude. Should you encounter drivability probto and including 10% ethanol or other oxygenates with up to 2.8% oxygen by lems that you suspect could be related weight, that is, 15 % MTBE or 3% meth- to the fuel you are using, we recommend that you respond by switching to anol plus an equivalent amount of coa recognized high-quality brand. solvent, will not void the applicable Failure to comply with these recomwarranties with respect to defects in mendations may also result in unschedmaterials or workmanship. uled maintenance.< The engine uses lead-free gasoline only. Required fuel Premium Unleaded Gasoline, Minimum Octane Rating: 91. Minimum Octane Rating corresponds to the Anti Knock Index AKI and is determined according to the so-called (R+M)/2 method. Do not use leaded gasoline: use of leaded fuel will permanently damage the lambda probe and catalytic converter of your vehicle.< Online Edition for Part No. 01 41 0 159 867 - © 07/05 BMW AG