FabSpeed BMW M3 E46 ExperTune Performance Software

  Achieve maximum power from the BMW M3 3.2L straight-six engine without sacrificing driveability or reliability by optimizing the engine's performance. Fabspeed Motorsport offers an alternative tuning method for vehicles equipped with ECU's that traditionally required bench flashing. No longer do you need to remove your ECU and mail it in for a tune. The Handheld device interfaces with the OBD-II port on your vehicle and your computer to complete the tuning process. Simply flash your M3 with a Fabspeed ECU Tune utilizing the included handheld tuner. Performance ECU software upgrade improves horsepower, torque, and driving characteristics by reprogramming various sensor inputs, air/fuel ratios, and boost pressure (if applicable). COMPATIBILITY Fits all BMW E46 M3 vehicles (2002-2006) POWER GAINS Stock = 343 hp / 269 ft-lbs Tuned = 365 hp / 285 ft-lbs Maximum gains of 32 hp and 26 ft-lbs of torque with Stage 2 Tuning TUNING PROCESS Read stock data on vehicle via OBD-II po