RENNtech ECU Upgrade | Rolls Royce Dawn | 712HP/774LB-FT mercedes-benz-e-class-sedan--210---1996-2002--e-320-esr2744801 We have found the new

We have found the new M178 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz

C217 - S 63 AMG Coupe

Software updates do not interfere with the functionality of the EVM

more powerful turbochargers that blows away anything else on the market

0" Weight:   Construction: 1-piece Forged Tire Size: 275/25-20

RENNtech ECU Upgrade | Rolls Royce Dawn | 712HP/774LB-FT mercedes-benz-e-class-sedan--210---1996-2002--e-320-esr2744801 We have found the newRENNtech ECU Upgrade for Rolls Royce Dawn. Up to 712 HP 774 LB FTGains: +95HP & +90LB FT Our proprietary Rolls Royce 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 tuning software and