SpeedBox Tuning - B.Tuning chips are designed for pairing... | Facebook
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
Installing and Testing Speedbox 2 on my Bosch Performance Line CX - YouTube