New update was released today.
N54Tech.com - International Turbo Racing Discussion - View Single Post - Rev 3.7 Connect Kit App Compatibility Updates
If that doesn't fix your issue, it's either a DB9 pin issue, JB4 Master Chip issue, or a problem with the kit. Art can assist either way.
2008 135i 4L80E Swap - 807 WHP
VM 6466 Single Turbo Kit | JB4 | BMS Flash via MHD | Fuel-It Stage 3 | BMS Port Injection | E85