In this video, a brand new BMW M135i is tested on the dyno to measure its real-world power and torque in completely stock form. BMW quotes the car at 306 horsepower, and the dyno results are analyzed ...

This video showcases a BMW M3 G80 on a dyno as it tests out a new valvetronic exhaust system and custom software tuning. With powerful revs, sharp throttle response, and plenty of sound, the session ...

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