S54B32 Second Life: Rebuild

Upon the MAF sensor replacement the car felt much better but it was running rough and was often stalling at idle while coming to a standstill. The new MAF live data was indicating 18 kg/h air flow at idle with no load while the old one was giving 26 kg/h. As there was no reference data available we started asking people with know-how here and there about what should be considered real values of a healthy MAF…