Porsche 944-S2 Airflow Meter Up for sale is a good working Airflow Meter that should fit many 944S2 models from 1985-1988 . Bosch part number 0280203029 / 0 280 203 029 This may even fit other models/years not in this range, but as always its your best bet to match the part number with the one you need. Unit from a recent crash damaged car. Price one of these new at a Bosch authorized service center, this unit is over $1600 if you can find one that has them still! Runtested & functional and offers a 30 day warranty. This is a VERY hard to find part. No core charge, this is the to your door price.Flap works freely output signal looks good. A bad AMM can cause a lean running condition, loopy idle, no start, runs but has no power, random stalling, excess smoke, pinging, or any other strange running conditions. This is CHEAP compared to new or rebuilt, even at wholesale prices! As with all these flapper type Bosch air flow meters, you may need to do the basic setting adjustment (controlled by the tension screw) in order to dial this in properly for your car. - See your cars service manual.