sonstige(s) - Tuning für Performance CX Generation 4 (keine Rechtsbeiträge u.ä., diese bitte nur in der Plauderecke, ansonsten gibt es Threadsperren) - Pedelec-Forum
Tuning de-restricting a Bosch Gen 4 eBike VOLspeed chip - YouTube
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VOLspeed 3 for BOSCH ebike tuning speed unlock
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SpeedBox Tuning - B.Tuning chips are designed for pairing... | Facebook
Bosch Gen 4 tuning | Electric Bike Forums - Q&A, Help, Reviews and Maintenance