Prüfrex – Intelligence in drives


MMS-EL – motor management system

MMS-EL is an intelligent Motor Mangement System for 2- and 4-stroke, 1- or 2- cylinder engines "out-of-the-box", to get you up and running quickly! It provides microelectronic control of ingition and fuel injection.This increases performance and leads to a reduction in consumption and emissions.

Additionally our MMS-EL includes:
– Basic EFI-functionality - cost optimized - containing closed-loop control by heated O2-sensor
– Support for Vector CANape and ETAs Inca for measurement and calibration

Demonstration packages are available and include:
– Detailed Hardware and Software Documentation
– Direct Access to Product Management and Support Team


A space-efficient housing and integrated electrics and ignition coils are optional extras.


Scalable circuit board with exchangeable functional building blocks for maximum flexibility between variants.


Integrated sensors (temperature and control voltage).


Flashable microcontroller with application-specific PRÜFREX software, diagnostics function and error log.


Scalable automotive plug for flexible cabling concepts and top IP-standard protection.

„We are happy to provide you a MMS Demonstrator Package. For further details please contact us!“

Dipl.-Ing. Martin Zappe, Director Sales Division

Intelligence in drives

Our consultation and development approach for market-relevant optimisation.