In around 15 minutes from now,... officials will reveal what they believe is the cause of a spate of car fires in South Korea that affected dozens of BMW vehicles.<br />The nation's transport ministry together with a private-slash-government joint investigation team has been probing the case for several weeks now.<br />The ministry is also expected to reveal whether the German automaker deliberately concealed the defects that caused the fires. <br />While BMW launched a mass recall in South Korea citing defects in the exhaust gas recirculation module,... experts have raised the possibility of engine software manipulation causing the blazes. <br />