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The Femto End User is a bench tool that reads and writes your BMW's ECU from a Windows laptop, so you no longer ship the ECU to a tuner and wait days for it back. It comes with an eNet cable and is married to the first vehicle's VIN; it can move to another car but only one vehicle at a time. The tuning software itself is sold separately, so the tool is only the delivery method. It suits owners who plan several map changes and want to flash at home rather than pay a tuner each time.
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Lowest price we've seen: $195.00 on Nov 13 at Colorado N5X. Tracked across 1 store since Nov 13.
The Femto End User is a tuning programmer for BMWs. It reads from and writes to the car's ECU, so owners can upload, update and upgrade their BMW's software tuning themselves without sending the ECU out. It is recommended for self-flashing F-series BMWs.
It does not include performance software, which is sold separately. The technology is in the software, and upgrades are available from the maker's site.
The tool can always read and write, and it can be reset easily. This avoids losing a customized tune after a BMW dealer re-flash. It gives control over engine functions and some gearbox functions. It can also diagnose and clear all engine and transmission error codes. It erases the current DME adaptions, so the DME then reads and adapts strictly from the new tuning maps.
