BMW Airflow Meter Up for sale is a good working Airflow Meter that should fit E30 chassis 325e / es, and E28 chassis 528e's. Bosch part number 0 280 202 091 BMW part number 1 710 544.9. 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. A faulty airflow meter can cause a whole host of running issues, and these are extremely expensive to buy new, often times over $500, sometimes even more than that!