Bosch Gen2 & Gen3 Tuning
The E-bike tuning Bosch Gen2 & Gen3 Overview. Here you will find the overview of E-Bike Tuning for Bosch Active Line, Bosch Performance Line (Gen2, built from 2014), Performance Line CX (Gen2, from model year 2015 and from 2017) as well as for Bosch Active Line Plus (Gen3, from model year 2017). Bosch e-bike motors of the Gen2 and Gen3 do not differ significantly in terms of the selection of tuning tools, only in the application of any accessories (e.g., spider tool and chainrings).
From firmware 1.8.4.0 of the Drive Unit (DU), which was released in May 2020, the software contains an anti-tuning detection. This is where tuning products for the Bosch Gen4 Drive is a possible option, which, by the way, is backward compatible with all Gen2 and Gen3 motors. If the firmware is older than 1.8.4.0, all tuning solutions for Bosch Gen2 and Gen3 can be used. We've compiled a wide range of tuning solutions here:
Not sure if your engine is really Gen2 or Gen3? Our large Bosch tuning guide helps you differentiate – with plug types and the best tuning options for each generation.
