Unofficial BMW E24 website

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Unofficial BMW E24 website

Unofficial BMW E24 website



Theory
Model Evolution

1987

Third-generation DME

1987 BMW E24. DME

The picture shows the micro-chip of a DME III.

The new DME III management system control fuel supply and ignition timing with absolute precision. More than 30 sensors and interfaces help the micro-chip heart of the DME III to generate the most accurate engine control.

The DME III also has an all-important new feature, it was learned how to learn. It does not simply run through a predetermined programme, but rather compares actual data with targeted data. It determines any change in the conditions and adjust accordingly.

Another new feature of the DME III is that it detected and memorises malfunctions, even those the driver never even notice. This information is then possible to retrieve and displayed during the next routine service.

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