View ALL BMW 328 Parts
If your BMW 328 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 328 engine.
DriveWire has a large selection of Genuine BMW 328 Air Injection Pumps at discount prices. If your BMW has failed the emissions test due to high Co or Hc, check the 328 electronic air pump.
Use only BMW OE quality replacement Catalytic Converters to keek your BMW 328 in the best running condition. DriveWire sells only California legal 328 OBD-II Converters.
The BMW 328 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 328 diagnosics codes for proper replacement of the O2 Sensor.