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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.
| select-engine-trim-level | Boxster S 3.2L – Boxster 2.7L (1999-2004), Boxster 2.5L (1996-1999) |
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