Everyone and their dog knows the S58 twin-turbo I6 from the M division is underrated like crazy. BMW claims the G87-generation M2 produces 453 horsepower and 406 pound-feet (550 Nm), but dyno testing ...
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BMW M5 CS 799HP Dyno Test with ECU Tune
The BMW M5 CS tuned to 799HP and 1125NM, featuring custom downpipes, a larger intercooler, and ECU tuning. Captured on the dyno with pure exhaust sound and power runs showing its performance upgrades.
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