View ALL BMW 525 Parts
If your BMW 525 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 525 engine.
DriveWire has a large selection of Genuine BMW 525 Air Injection Pumps at discount prices. If your BMW has failed the emissions test due to high Co or Hc, check the 525 electronic air pump.
Use only BMW OE quality replacement Catalytic Converters to keek your BMW 525 in the best running condition. DriveWire sells only California legal 525 OBD-II Converters.
Do not buy the cheap no name remanufactured or rebuilt BMW 525 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 525 control units from AEM that allows you to custom program your BMW 525 ignition and fuel system.
Replace your faulty BMW 525 Mass Air Flow Sensor with a Genuine or OE Bosch Unit to keep your BMW running like new.
The BMW 525 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 525 diagnosics codes for proper replacement of the O2 Sensor.