RENNtech ECU Upgrade | Rolls Royce Dawn | 712HP/774LB-FT mercedes-benz-amg-gt--190---2015-2017--gt-s---2015-2017--esr1356663 Stock Performance (at crank):

Stock Performance (at crank):

836 LB-FT @ 3500 RPM

E550 (W212 | PFL MY2012-13 | RWD | M278 | 4

Gains: +59HP & +140TQ

Crank Performance Numbers are calculated with a 20% Drivetrain loss on G-Wagon models

RENNtech ECU Upgrade | Rolls Royce Dawn | 712HP/774LB-FT mercedes-benz-amg-gt--190---2015-2017--gt-s---2015-2017--esr1356663 Stock Performance (at crank):RENNtech 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