503 Error,how can i fix this? The battery works just fine,and for a moment,the battery would work after 25 km/h,i was with 30 km/h and the battery was working,i didnt upgraded the
Bosch Error 503 - Bosch Ebike Codes - YouTube
BOSCH Batterie - 1270020503
Bosch 0450905030 Fuel Filter
Fix the Bosch E-bike 503 Error and Speed Not Reading - YouTube