![]() Other tuners require you to remove the ECU and ship it to them or use a laptop to read and write a new file. You can use the Restore button to re-install the stock BMW software at any time. No other software product on the market comes close to how easy it is to install. With the battery charger supplying power, press the Upgrade button and within minutes the ECU is reflashed with the new performance tune. The Shark Injector plugs into the diagnostic port inside the E46 cabin. By fine tuning these maps we've been able to improve the M54/M56 engine beyond what BMW did by making more power and torque and a smoother-running engine. We also raise the rev limit to 7,000 and remove the top speed limiter. We modify the maps for part throttle and full throttle so you get better response and more torque at all RPM. A lot of tuning has been done at the low RPM ranges to improve response. The software makes changes to the ECU's maps and algorithms for fuel injection, ignition timing, VANOS and camshaft movement, and transitional fueling. The M54 performance software was developed on the dyno to create maximum power and torque using premium 91+ octane fuel while maintaining BMW reliability and smoothness. There's no removal of the ECU and shipping, no cables, no laptop required - only a battery charger! Installation takes just a few minutes and your engine will perform like never before! Developed by BMW tuning expert Jim Conforti, this device plugs into the car's diagnostic port and flashes new performance files into your car's engine computer (ECU). Performance software is a must-have upgrade on your BMW and you won't find an easier and better software solution than the Shark Injector.
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