S 63 AMG BiTurbo
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RENNtech Intermediate ECU Upgrade | W221 | S 63 AMG | Sedan | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2006-13
Intermediate ECU Upgrade | Up to 638HP / 695TQ | Gains: +75HP / +101TQ -
RENNtech ECU+ Upgrade | W221 | S 63 AMG | Sedan | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2006-13
ECU+ Upgrade | Up to 669HP / 734TQ | Gains: +106 HP / +140TQ -
RENNtech R3 Pkg | W221 | S 63 AMG | Sedan | 790 HP / 895 LB-FT | M157 | 5.5L V8 BiTurbo | MY2006-13
R3 includes: ECU Upgrade, Diverter Valve, Air Filters and Turbocharger Upgrade | Gains: +227HP; +301LB-FT -