E 400 BiTurbo
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RENNtech ECU Upgrade | E 400 | C207 | 392HP/432TQ | 3.0 L BiTurbo V6 | M276
RENNtech ECU Upgrade for 212 - E 400 BiTurbo 4-MATIC Coupé. Up to 392HP and 432TQ. Gains: +63HP & +78TQ