ESS Tuning G1 Supercharger System - BMW E9X M3
The intercooled S65 G1 Supercharger System delivers a substantial 150-180 whp gain from stock, with the exact figure depending on your fuel choice and exhaust system. To make tuning accessible to all drivers, the kit comes standard with both 91 AKI/95 RON and 93 AKI/98 RON pulleys, so you can optimize performance for your fuel availability and driving goals.
