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
Brand New Speedbox 3.0 Tuning Chip Kit for Bosch eBikes - Fast UK Shipping 766214309413 | eBay
Bosch Gen 4 tuning | Electric Bike Forums - Q&A, Help, Reviews and Maintenance
How to install Speedbox 3.0 on Bosch Gen 4 Performance Line CX 2021 eBike - YouTube
sonstige(s) - Tuning für Performance CX Generation 4 (keine Rechtsbeiträge u.ä., diese bitte nur in der Plauderecke, ansonsten gibt es Threadsperren) - Pedelec-Forum
Ebike Tuning with Speedbox 1.0 Bosch Smart System App
PearTune MSO 4.0 Tuning module for Bosch E-Bikes– E-Bike Tuning