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Send me a PM and tell me exactly which engine with firmware and display you have. Then we'll have an honorable user who can help. Thank you.

If you know a test user with a Bosch Gen2 to Gen4 motor (BES2), you are welcome to contact us and report here.

It is not permitted on public roads and the liability and warranty of the manufacturer and its components expire, that is correct.

I am familiar with this discussion. Yes, in principle that is correct. However, it is important that the environment in the picture (Internet, computer, normal USB data cable and just the Bosch e-bike) is sufficient to unlock the motor with a purchased license code. It is neither hardware nor...

I recently came across something that might interest fellow Bosch eBike users, especially those who are frustrated with traditional tuning chips and error codes. There's a new browser-based tool called the EBT Unlock Key which removes the speed restriction on Bosch motors (Gen1–Gen4) without...