If your BMW 325 Air Flow Meter keeps failing the issue is most likely to much oil on a BMW performance air filter, or to much blow by from the 325 engine.
DriveWire has a large selection of Genuine BMW 325 Air Injection Pumps at discount prices. If your BMW has failed the emissions test due to high Co or Hc, check the 325 electronic air pump.
Use only BMW OE quality replacement Catalytic Converters to keek your BMW 325 in the best running condition. DriveWire sells only California legal 325 OBD-II Converters.
Do not buy the cheap no name remanufactured or rebuilt BMW 325 electronic control units, as in our experience most of these ecu’s don’t even work right out of the box. We also carry programmable BMW 325 control units from AEM that allows you to custom program your BMW 325 ignition and fuel system.
Replace your faulty BMW 325 Mass Air Flow Sensor with a Genuine or OE Bosch Unit to keep your BMW running like new.
The BMW 325 Oxygen sensor is a critical part of the emmision control system and should be replaced as soon as it fails. Make sure to check the BMW 325 diagnosics codes for proper replacement of the O2 Sensor.