RENNtech ECU Upgrade | C207 | E 550 Coupé 2014+ | 540HP / 705 LB-FT | 4.7L V8 BiTurbo | M278 | MY2014-2017 bentley-flying-spur--2020-present--4-0l-v8-tfsi-esr8250520 Range Rover (L322/LM) 2009 –

Range Rover (L322/LM) 2009 – 2012

The maximum power number reached with the RENNtech ECU Plus Upgrade for the W213 - E43 AMG Sedan is 416 HP and 471 LB-FT

Stock: 542 HP | 570 LB-FT

E63 S AMG (W212 | Sedan | PFL MY2012-13 | RWD | M157 | 5

We have found the M157 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz

RENNtech ECU Upgrade | C207 | E 550 Coupé 2014+ | 540HP / 705 LB-FT | 4.7L V8 BiTurbo | M278 | MY2014-2017 bentley-flying-spur--2020-present--4-0l-v8-tfsi-esr8250520 Range Rover (L322/LM) 2009 –RENNtech 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