tuning

BMW M3 Manual Test Drive 6 of 37 830x553

VIDEO: AutoTopNL Tunes Their G80 BMW M3 with Race Chip

The biggest difference between the G80 BMW M3 and the M3 Competition is power. The standard car makes 473 horsepower, while the Competition makes 503 horsepower. However, that power disparity can be fixed, with a…

Video: BMW M4 gets tuned, dyno shows exact power numbers