yea. forgot about mlofs. edited original post.
THX Man how you have get the offset? i dont have the sensor here, because i have think to read the voltage on no flow and reflekt that on the maps. Of example if the sensor are on no airflow an volatge of 1.05V set the airflow value on this point in MAP on 0.
THX for helping.
other question i have compare the courves from s3 1.8t MAF with the RS4 it looks verry simular carecteristic. Are there the same sensor only other diamater?