Electrical ECU Help DA1

[Prabh114]

Bought a used ecu.
the guy used this DA1 in a bmw
I was having misfire issues and checked everything.
Replaced injectors
Dizzy
Plugs
Salt pepper shakers cleaned and greased

Then I had doubts about the ecu. I pulled it out and found this. Could this be leading to my misfire? Or am I looking at a another problem.

 

[Prabh114]

Bought a used ecu.
the guy used this DA1 in a bmw
I was having misfire issues and checked everything.
Replaced injectors
Dizzy
Plugs
Salt pepper shakers cleaned and greased

Then I had doubts about the ecu. I pulled it out and found this. Could this be leading to my misfire? Or am I looking at a another problem.

You can see burnt connection upper left

 

[Mustang5L5]

Trace does look burned. Are you able to test for continuity between the two pins the trace is running to/from.

this is a speed density ECU. Are you using it in a mass air application?