Can you modify bps communication with Bus with lithium batteries

I’m using a system that communicates with Bourn SSD shunts. Due to previous issues with other equipment, these are set at 250Kbps and are wired into a controllers CANbus.

While diagnosing issues, the supplier has requested that I see if I can change the BMS to 250Kbps but the documentation I found online about compatibility seems to insist on a 500Kbps for communication between Victron products and Leoch batteries.

Is anyone able to advise on whether it is changeable/convertable after or whether I need to look into other methods?

Thank you in advance