VR Tuned Dyno Video of BMW M4 with Tuning Box VRTuned.com January 23, 2015 Media & Events, Product Info We have already shown off our BMW M4 Tuning Box and the dyno results it made on our All Wheel Drive Mustang dyno, but here to emphasize that is this new VR Tuned video. The car made about 60 wheel horsepower...
