Fabspeed XperTune Performance Software for E9X BMW M3 [FS.BMW.E9X.ET]
$1,535.95
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Fabspeed XperTune for the E90 BMW M3 uses a handheld OBD-II programmer to flash the ECU at home, eliminating bench flashing or mailing. The calibration refines sensor strategies and air/fuel targets to increase horsepower, torque, and throttle response while preserving OEM-like drivability and reliability.
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