Used searched but no results ... a mate from Italy has a late Diesel with the MAF sensor, and his HawkEye shows a "Boost Temperature" reading fixed always at 124.8 deg. Vehicle has no strange behavior, fuel consumption in the norm, smoke, all seems fine, but the weird data remains.
He tried swapping MAF with another friend same year/model but no change in the data observed. Unfortunately don't have access to a Nano or other means of checking (actually, do these phony things app like Torque work on P38s?).
Anyone has come across a similar case?