bmw 320 d of the 2004 mass air flow sensor again the same error

[sebastiano345]

hi all,I have a bmw in the workshop of the 2004 engine type 204d4 150 hp that sometimes the light comes on and the diagnosis of mi by air mass sensor,aiche change the sensor,after various checks,type egr, sleeves,butterfly collectors,pressure sensor,turbine, variable geometry,and catalyst,but nothing after a while siriaccende ,even after 2 or 3 days.air mass sensor value too high,in fact, if I look at the real parameters of the nominal value (what you would expect in the control unit)to a minimum and' 225mg while the actual measured from the sensor, and' da450 a480... hello in the meantime, and thanks in advance if you'll give me any straight

sorry I state that mounts a edc16 so no updates or coding to change mass air flow sensor,hi