Can you tune a BMW M3?

The modified M3 has a reprogrammed ECU and nothing else. Wrench Studios was able to crack the M3’s ECU to tune it, wringing more power out the powertrain. It has no other modifications other than the ECU tune, which takes the stock output up to 600 hp (447 kW) and 516 pound-feet (700 Newton-meter) of … Read more

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