2008 BMW M6 Owner's Manual - Page 202

Refueling Refueling Switch off the engine before refueling, otherwise no fuel can be filled into the tank and a message is displayed.< When handling fuel, always observe all applicable precautionary measures and regulations. Never transport reserve fuel containers in the vehicle. They can leak and cause an explosion or a fire in an accident.< Otherwise, there is a danger of personal injury and property damage.< Fuel filler door Place the fuel filler cap in the bracket attached to the fuel filler door. When refueling, insert the filler nozzle completely into the filler pipe. Avoid raising the filler nozzle during refueling, otherwise this > results in premature pump shutoff > can lead to reduced efficiency in the fuelvapor recovery system To open and close: briefly press the rear edge of the fuel filler door. The fuel tank is full when the filler nozzle clicks off the first time. Unlocking manually Fuel tank capacity Approx. 18.5 US gal/70 liters, including the reserve capacity of approx.4 US gal/15 liters. Refuel as soon as possible once your cruising range falls below 30 miles/ 50 km, otherwise engine functions are not ensured and damage can occur.< Fuel filler cap In the event of an electrical malfunction, you can release the fuel filler door manually: In the luggage compartment, pull the knob with the gas pump symbol on the right side panel. Closing Insert the cap and turn it clockwise until there is a clearly audible click. Do not crush the band attached to the cap; otherwise, the cap may not properly seal and fuel vapors can escape.< A message* is displayed if the cap is loose or missing. Observe the following when refueling When handling fuels, follow the safety precautions posted at the filling station. 200 Online Edition for Part no. 01 41 0 014 244 - © 08/07 BMW AG