Fluid MotorUnion - Ken’s E60 M5 Velocity Stack Testing

The following is a super-quick video we put together for the owner of this E60 M5 to share around as we use his car to finish RD on our S85 Velocity Stack setup. With nothing more than the FMU Velocity Stack Kit, catless headers, aftermarket cat-back exhaust and our FMU Custom ECU Tune, the power gains are extremely promising. Nothing to release yet, but progress is definitely being made! Also, the car climbs a bit on the dyno due to the necessity for contact with only the front roller under