RENNtech Smart Car ECU Upgrade (69HP/66LB-FT) evm shift timing

shift timing

countless hours of in house research

Its unique three-piece design incorporates a single center section replacement for the OEM splitter as well as two additional side pieces which wrap around the entire front fascia and create a unique look unlike anything else on the market

RENNtech is proud to introduce an all new rear decklid spoiler design for the Mercedes-Benz S-Class

RENNtech Smart Car ECU Upgrade (69HP/66LB-FT) evm shift timingRENNtech Smart Car ECU Upgrade. Up to 69HP and 66LB FT. Gains: +5HP & +5LB FT Our proprietary SMART ECU upgrade offers rock solid performance from RENNtech, the foremost tuning authority on Bosch and Siemens engine control units. These same units are utilized in Mercedes Benz vehicles, which RENNtech has been tuning since electronic engine management started to show up in vehicles during the mid 1980's, though our proprietary tuning software and