BMW (E63/64) 645Ci 650i ECU SoftwareOverview BMW 645Ci 650i V8 Model Year: 2004 2010 Engine Code: N62B44 N62B48TU HEX Tuning software is delivered as a proper flash tune meaning that the data area within the ECU which is responsible for the power management and engine safety is re calibrated to increase horsepower and torque without compromising long term reliability. Each new application begins with dyno testing to measure and plot the factory power delivery in order to track the
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