RENNtech ECU Upgrade | R231 | SL 550 | 500HP / 625LB-FT | 4.7L V8 BiTurbo | M278 bmw-7-series--f01---2008-2015--esr7133710 Diverter Valve and Air Filters

Diverter Valve and Air Filters

V167 - GLE 53 AMG SUV

Akrapovic Link-Pipe Set w/o Cat (Titanium) Porsche 911 Turbo/Turbo S (991)

A stiffer chassis means more grip

RENNtech ECU Upgrade | R231 | SL 550 | 500HP / 625LB-FT | 4.7L V8 BiTurbo | M278 bmw-7-series--f01---2008-2015--esr7133710 Diverter Valve and Air FiltersECU Upgrade 500HP 625LB FT Gains: +52HP +87LB FT Our intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced peak HP and torque from our standard tune. This is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or