Hello
Welcome to the german forum. Unfortunately, we can not answer the question here, as the CM10GD10 does not exist here in Germany. We only have the 12 " version and there have been no problems with the arm so far.
Maybe just inquire at Bosch Power Tools North America in Chicago.
Best regards GW
Ich bin nur auf der Durchreise...und die Forensoftware sorgt für eine baldige Weiterreise...