RENNtech ECU Upgrade for E 550 | W211 | 402 HP / 405 LB-FT | MY2007-2009 audi-s8--d5---2019-2020--4-0l-v8-esr9872235 CAD surfacing

CAD surfacing

The maximum power number reached with the RENNtech ECU+ Upgrade for the W463 - G 550 is up to 528 HP and 558 LB-FT

Crank Performance Numbers are calculated with a 16% Drivetrain loss on 4MATIC+ vehicles

to an astonishing 669 HP and 734 lb/ft at the crank

The RENNtech Side Skirts are 100% pre-preg carbon fiber and developed to complement the full RENNtech AMG GT63 aerodynamic program

RENNtech ECU Upgrade for E 550 | W211 | 402 HP / 405 LB-FT | MY2007-2009 audi-s8--d5---2019-2020--4-0l-v8-esr9872235 CAD surfacingRENNtech ECU Upgrade for 211 E 550. Up to 402HP and 405LB FT. Gains: +20HP & 14LB 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