Difference between revisions 138560295 and 138745025 on enwiki

'''Digital Motor Electronics''' (DME) is a [[microprocessor]] based system that controls the ignition, [[fuel injection]], oxygen sensor, and numerous ancillary functions of an [[automobile]]. The DME provides raw data to an on-board computer that uses an alphanumeric display to provide you with information such as the average fuel consumption, the driving distance available with the fuel in the tank, average speed, outside temperature, etc. 

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The core of a DME application are microprocessors. The core of central engine management in the current BMW M3 executes nearly twenty million instructions per second (20 MIPS). Microprocessors also have a reputation for being extremely reliable. They are designed for a lifespan of at least 150,000 active hours. A car, by comparison, is expected to survive 4,000 hours of use.{{
fFact|dateJune=2007}}

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