THE VEHICLE WAS DRIVEN APPROXIMATELY 1 MILE, THEN STOPPED AT A GAS STATION TO ADD AIR TO A LOW TIRE. WHILE THE CAR WAS IDLING, WHITE SMOKE CAME FROM THE ENGINE, FOLLOWED BY DARK SMOKE. WHEN THE HOOD WAS OPENED, WE SAW A SMALL FLAME COMING FROM INSIDE THE FRONT OF THE ENGINE. WE RAN TO GET A FIRE EXTINGUISHER FROM THE GAS STATION ATTENDANT; BY THE TIME WE RETURNED, FLAMES WERE VISIBLY SHOOTING UP OUT OF THE ENGINE. WE WERE ABLE TO EXTINGUISH THE FIRE WITH A HAND-HELD FIRE EXTINGUISHER. THERE WERE NO INJURIES AND THE FIRE DEPARTMENT WAS NOT CALLED. THE VEHICLE WAS TOWED TO THE NEAREST MINI DEALER. THE SERVICE ATTENDANT DECLARED THAT HE HAD NO EXPERIENCE WITH ANY ENGINE FIRES IN HIS TENURE WITH MINI. AFTER AN INVESTIGATION (PICTURES TAKEN BY SERVICE AND EMAILED TO MINI CORPORATE), THE AUXILIARY WATER PUMP WAS FOUND TO BE THE SOURCE. IT WAS REPLACED, ALONG WITH A NUMBER OF CONNECTORS AND HOSES, AND THE ENGINE WAS CLEANED OF FIRE EXTINGUISHER POWDER. WHEN I ASKED SEVERAL TIMES ABOUT THIS PROBLEM, THE ONLY ANSWER I RECEIVED WAS THAT THIS STAFFER HAD NEVER HEARD OF A CAR FIRE LIKE THIS IN HIS TIME (3 YEARS) AT MINI.