RENNtech ECU+ Upgrade | Aston Martin | DBX V8 | 644 HP / 676 LB-FT | 4.0L V8 BiTurbo | M177 | MY2021-2023 bmw-7-series--e66---2001-2008--esr3332914 Our proprietary Porsche ECU upgrade

Our proprietary Porsche ECU upgrade offers rock solid performance from RENNtech

The RENNtech R2 Performance Package is the evolution stage of the R1 Pkg

CLASS E (W 210) 290 TD (HP: 129 | Year: 96 > 00)

691 HP   694 LB-FT   W222 - AMG S 63 ECU Upgrade

RENNtech ECU+ Upgrade | Aston Martin | DBX V8 | 644 HP / 676 LB-FT | 4.0L V8 BiTurbo | M177 | MY2021-2023 bmw-7-series--e66---2001-2008--esr3332914 Our proprietary Porsche ECU upgradeECU+ Upgrade Up to 644 HP 676 LB FT Gains: +102 HP & +94LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. The Aston Martin DBX is powered by by one of