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So I contacted Cobb and they straightened everything out.
Cobb:
"So, N54 and N55 are a little different as you can tell for the requested torque tables. The only difference is that N54 has high and low. That is for when you change from Drive to Sport for autos gear shifter. N55 just uses one table. You can modify the Requested Torque % (Auto) or (Manual/DCT) and make it as linear or curvy as you would like."
Me:
"Why does the map only request 78% torque even at TPS values of 100%?"
Cobb:
"It has to do with BMWs algorithms. You can basically think of the 78% number as 100%."
Me:
"I see! So if I decide to make it linear, I'll just interpolate for all cells using 78% as the max value. "
Cobb:
"Correct. You make the 78 number your max and the scale everything accordingly"
Props to Cobb for educating me. Hopefully this can help anyone else who's wondering.
Once I get my VANOS recall done, I will re-install Cobb and the Alpina flash. I will then try to make the throttle map linear and see how it impacts drivability.
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