Bosch is clearly opposed to tuning e-bikes. The reasons are obvious. Not only that, security is compromised. Claus Fleischer is also convinced that the success of the pedelec is due to his bicycle status. Laid-down machines could jeopardize this status, so the new Bosch software for dealers and workshops from 2019 contains a program that detects change attempts.
The background is the relevant EN standard, which will be mandatory for drive manufacturers from the middle of next year. This states that the support must stop at 25 km / h, modifications must be identified and "suitable measures" are taken by the manufacturers.
https://ebike-news.de/mehr-e-power-braucht-das-land-bosch-ebike-neuheiten-2019/175780/
The background is the relevant EN standard, which will be mandatory for drive manufacturers from the middle of next year. This states that the support must stop at 25 km / h, modifications must be identified and "suitable measures" are taken by the manufacturers.
https://ebike-news.de/mehr-e-power-braucht-das-land-bosch-ebike-neuheiten-2019/175780/