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E 550 BiTurbo

RENNtech ECU+ Upgrade | W212 | E 550 | 540HP / 705TQ | 4.7L V8 BiTurbo | M278

ECU+ Upgrade | 540HP / 705LB-FT | +105HP / +262LB-FT

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RENNtech ECU Upgrade | W212 | E 550 | 480HP / 605TQ | 4.7L V8 BiTurbo | M278

ECU Upgrade | 480HP/ 605LB-FT | Gains: +45HP / +162LB-FT

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