RENNtech ECU+ Upgrade | C238 | E400 | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2018 porsche-macan---my2019---gts-esr8103631 0L V12 BiTurbo) Modified Performance

0L V12 BiTurbo) Modified Performance (at crank):

Requires the removal of ECU

Crank Performance Numbers are calculated with a 17% Drivetrain loss

GLE 400 BiTurbo (X292 - M276 Biturbo Engine) Stock Performance:

700rpm Note: Mercedes M177 engine performance when measured

RENNtech ECU+ Upgrade | C238 | E400 | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2018 porsche-macan---my2019---gts-esr8103631 0L V12 BiTurbo) Modified PerformanceECU+ Upgrade Up to 392 HP 463 LB FT Gains: +53 HP & +78 LB FT RENNtech M276 Biturbo ECU Upgrades are TV approved! RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU.