RENNtech ECU Upgrade | X166 | GLS 550 | 500HP / 605LB-FT | 4.7L V8 BiTurbo | M278 bmw-6-series--e63---2003-2010--650i-4-8-l-v8--n62b48--esr4742734 Hold a straight edge across

Hold a straight edge across the tire and measure down to the wheel hub

X253 - GLC63 S AMG Coupe

X290 - AMG GT 4-Door Coupe AMG GT 43

0" Weight:   Construction: 2 piece Forged Tire Size:

The RENNtech V3 Digital Lowering Module (DLM) is designed to work with all available Land Rover Suspensions

RENNtech ECU Upgrade | X166 | GLS 550 | 500HP / 605LB-FT | 4.7L V8 BiTurbo | M278 bmw-6-series--e63---2003-2010--650i-4-8-l-v8--n62b48--esr4742734 Hold a straight edge acrossECU Upgrade 500HP 605LB FT Gains: +26HP +67LB 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