Since there has been a lot of confusion about the Bosch air mass meters 0 928 400 527 ( and 0928400468) and 0 928 400 314, I want to explain the details.
For almost all BMW models with diesel engines (to be more exact, we’re talking about the 3-series/E46 320d, 330d, the 5-series/E39 520d, 525d, 530d and the 7-series E38 730d) the airflowmeter model was changed in November 2000 and August 2001.

The Bosch air mass meter 0928400314 was replaced by the improved 0928400468, which has an additional protection net and a different characteristic curve. This means that all models that were built before the dates have the old 0928400314 (there is a detailed list at the end of the post). Continue reading »

We wish all our readers a happy Christmas and Chanukka!

Many customers tell us that friends or internet forums recommend to clean the air mass meter with cleaning chemicals designed for removing brake dust or other cleaning solvents.

It should be said that these customers contact us anyhow to buy a new airmassmeter.

Why should the cleaning process work anyhow? The most common reason air mass meters lose their performance or even stop working at all is that they slowly get dirty. That is also why most of the time you will notice a slow loss of performance and increase in fuel consumption (In case your airflow meter should abruptly stop working cleaning won’t help anyways).

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Hey guys and girl, welcome to our Air Mass Meter-Blog!

We’re one of the leading experts for air mass meters and will try to share all our knowledge with you about car parts.
We will be mainly translating the (awesome) blog posts of the German Luftmassenmesser-Blog, which has a huge load of information about car parts for German cars like BMW, Mercedes and Volkswagen (or Volkswagon as Americans would say).

So start up your engines and get ready for some cool blog posts