From ESPN
Manufacturer: BMW of North America, LLC
SUMMARY: BMW is recalling certain model year 2009-2010 X5 xDrive35d vehicles equipped with a diesel engine and manufactured from June 13, 2009, through November 9, 2009. The fuel filter heater, which is used for warming up the diesel fuel during vehicle operation at low outside temperatures, could experience an electrical overload condition and become permanently activated.
CONSEQUENCE: The fuel filter heater could remain activated even when the ignition is off and lead to a dead battery. The unit could also overheat, possibly resulting in a vehicle fire.