derestricting

Hello everybody, I want to derestrict my ebike with Bosch Performance Line CX. I am not sure which product would be the best for me. I am also worried because some people have bad experience with derestricting Bosch motors of 4th generation because of the anti-tuning detection and 504 error...

Hello guys, I saw a Facebook post of a guy who had a problem with Speedbox after the latest Giant firmware update. Apparently his display has showed him some kind of an errror and the chip doesn't activate anymore. Has anybody experienced this or a similar problem? And if so has anybody found a...