RENNtech ECU Upgrade | C207 | E 550 Coupé 2014+ | 540HP / 705 LB-FT | 4.7L V8 BiTurbo | M278 | MY2014-2017 bentley-continental-gt-speed--2021-2024--6-0l-w12-tsi-esr9500514 up to an astonishing 392

up to an astonishing 392 HP and 463 lb/ft at the crank

Combined with RENNTECH's ECU software our CL 63 down pipes create an incredible sound with performance to match

5" in the front and 1

RENNtech V3 DLM Module Specifications:

RENNtech ECU Upgrade | C207 | E 550 Coupé 2014+ | 540HP / 705 LB-FT | 4.7L V8 BiTurbo | M278 | MY2014-2017 bentley-continental-gt-speed--2021-2024--6-0l-w12-tsi-esr9500514 up to an astonishing 392RENNtech ECU Upgrade for 207 E 550 BiTurbo 2014+ FaceLift. Up to 540HP and 705 LB FT. 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. Programming takes only a few