BMW VEHICLES: PROGRAM CONTROL UNITS (DME-DMTL DIAGNOSIS). AN INCORRECT TANK LEAKAGE DIAGNOSIS MAY OCCUR DUE TO A SOFTWARE ERROR. THE SERVICE ENGINE SOON (MIL) LAMP MAY BE ILLUMINATED WITH THE DMTL LEAKAGE FAULT STORED, EVEN THOUGH THERE IS NO FUEL SYSTEM LEAK. DME SOFTWARE DMTL DIAGNOSTIC ERROR. MODEL E70 (X5). *PE