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German tuner G-Power has decided to share some of the technology found on the 800-horsepower M5 Hurricane RR and M6 Hurricane RR with the masses by offering a modified version of the supercharger system on the [previous generation] E85 BMW Z4 as well as the E46 Series with the 3.0-liter straight-six engine. On both models, the redesigned SK Plus supercharger system replaces the previous ASA TM3 supercharger. Read more »