Speedbox 3.0 B.Tuning for BOSCH 2017-21- Anti-Theft Tuning
Speedbox 3.0 for Bosch engine - Lilibike
Amazon.com : SPEEDBOX 3.0 for Bosch eBikes. Tuning kit Suitable for All 2014-2020 Bosch Motors Even of The 4th Generation. Smart Tuning chip of The 3rd Generation : Sports & Outdoors
SPEEDBOX 3.0 for Bosch / eBike Tuning, also for Bosch engines of the 4th Generation / Smart tuning chip of the 3rd Generation incl. 1 crank puller : Amazon.co.uk: Sports & Outdoors
Instructions for using SpeedBox 3.0 for Bosch - YouTube