Bosch Gen4 Tuning

The E-Bike Tuning Bosch Gen4 Overview. Here you will find tuning tools for Bosch Gen4 Drives with integrated anti-tuning detection - e.g. for Bosch Performance Line (+CX) and BoschCargo Line (Gen4, built from 2020). Bosch e-bikes of the series Active Line and Performance Line (Gen2, built from 2014), Performance Line CX (Gen2, built from 2015 and from 2017) and Active Line Plus (Gen3, built from 2017) included, from firmware version 1.8.4.0 the of Drive Unit (DU), also an anti-tuning detection and therefore also requires tuning products for Bosch Gen4 engines. All the solutions we have compiled here are also backward compatible, for all Bosch Gen2 & Gen3 engines come into consideration, including older models.
Important: The new Bosch engines with the Bosch Smart System (from 2022) are now also unlockable Tuning for Bosch Smart System (BES3)Please check if your e-bike is not a Bosch Smart System with Gen4 engine. We have everything in our Bosch Tuning Guide summarized.