I had a look in my E35A folder for a known good file for you to recover this ECM but I cannot find a suitable match I'm afraid.
Does anyone on here have a stock file they could please attach, here's the segments....

Boot Software 12604140
Main Operating System 12604138
Speedometer 12604118
System 12604106
Fuel System 12604104
Engine Diagnostic 12604099
Engine Operation 12604098
Engine 12604113
Secondary Operating System 12604139

Cheers,
Ross