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Mercedes
E-Class
E - 207 (2010-2013)
E 550 BiTurbo (2012-2013)

E 550 BiTurbo (2012-2013)

RENNtech Intermediate ECU Upgrade - E 550 Coupe BiTurbo (C207 - 480HP/523TQ - M278 Engine)

RENNtech Intermediate ECU Upgrade for 207 - E 550 BiTurbo. Up to 480HP and 523TQ. Gains: +78HP & +80TQ

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RENNtech ECU Upgrade | C207 | E 550 Coupe | 540HP / 705TQ | 4.7L V8 BiTurbo | M278

RENNtech ECU Upgrade for 207 - E 550 Coupe BiTurbo. Up to 540HP and 705TQ.

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