• Warning!!

    Riding a tuned or deristricted EMTB is not a trivial offence and can have serious legal consequences. Also, many manufacturers can detect the use of a tuning device or deristricting method and may decline a repair under warranty if it was modified from the intended original specification. Deristricting EMTB's can also add increased loads for motors and batteries. Riding above the local law limit may reclassify the bike as a low-powered bike, requiring insurance, registration and a number plate.

    Be aware of your local country laws. Many laws prohibit use of modified EMTB's. It is your responsibility to check local laws. Ignoring it, has potential implications to trail access, and risk of prosecution in the event of an accident.

    UK Pedelec Law

    Worldwide Laws

    We advise members great caution. EMTB Forums accepts no liability for any content or advice given here. 


Volspeed4 1.3.3.0MY20

twoody9836

New Member
Jun 9, 2023
5
0
Liverpool
Hi everyone was just wondering if anyone has had there MY20 1.3.3.0 latest update on the Bosch performance line as I’ve bought a volspeed4 and I’m unsure wether it’s going to give me issues as I had to get it updated and unlocked after 3 504 errors
Thanks all
 

Hardtail

Active member
Mar 8, 2021
211
131
Uk
Hi everyone was just wondering if anyone has had there MY20 1.3.3.0 latest update on the Bosch performance line as I’ve bought a volspeed4 and I’m unsure wether it’s going to give me issues as I had to get it updated and unlocked after 3 504 errors
Thanks all
I have not, I have only used Volspeed V3, but the only time I got a 504 error was from moisture on the pin connectors. The Volspeed connectors are not rated and need to be taped with electrical tape to stop any type of ingress, mine had quite bad corrosion on the pins...
 

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