Achieve maximum power from the BMW M3 3.2L straight-six engine without sacrificing drivability 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: 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 port with Handheld Interface Handheld with software on your computer and send in data to Fabspeed Motorsport via email to [email protected] We use this data along with information you provide about your vehicle to write a tune for your specific setup and email back your custom tune in 1-2 business days Write the Fabspeed ECU Tune to your Handheld, then to the vehicle with the Handheld Enjoy your increased performance! No need to send your ECU in to return to stock - simply use the Handheld to flash back, then to your Fabspeed XperTune again at any point! NOTES: Please review our Tuning Guide in the instructions above and email the ECU Tuning Information form to us. We utilize this form to ensure we meet your needs and consider your modifications to deliver the best possible results. You must have access to a PC / Windows computer (Mac OS not supported) to upload your factory file information to us via email and in turn apply our ECU Tune to your Handheld device. Upon sending us your vehicle information, our tuner will email you a custom ECU Tune(s) within 1-2 business days. The Handheld device "marries" with your vehicle and can only be used on one vehicle. Special requests and tune file upgrades may be subject to additional fees. Need some help using our XperTune Handheld Tuner? Watch our tuning tutorial video! Purchase Disclaimer: Fabspeed Motorsport does not condone the use of emission defeat devices for any vehicles used on public streets or roadways. Fabspeed Motorsport will not tamper, remove, disable, or bypass emissions equipment on a motor vehicle in accordance with 40 CFR Section 86.1854.12(a)(3), Clean Air Act 40 CFR 1068.101(b). This includes software, known as tunes, that reprogram a motor vehicles electronic control module to alter engine performance and enable the removal of filters, catalysts, and other critical emissions controls.
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