Originally Posted by JonW
The BCS came with 3.6.0 FW and I have updated twice to 3.7.0 and 3.7.1 now. The problem has been there throughout each version, but seemed to be the worst with 3.6.0.
I have tried disabling it and that appears to have fixed it, but I haven't tested it long enough to be convinced that was the issue. I will create a thread over in the ecc forum to follow up once I have enough data to show this was what was causing it.