Originally Posted by
Shrek
As you may know already, most tuning software only accesses a portion of the overall code within the OEM calibration.
The OEM E38 and E67 calibrations both contain coding for the CKP Sensor and the CMP Sensor.
Changing the parameters from 58x to 24x, and from 4x to 1x is reasonably straight forward for anyone who has worked with a raw calibration and added additional parameters to tuning software for their own use.
I briefly looked at this a decade or so ago - just for fun. I came to the realization that there were additional tables / diagnostics that would also need to be mapped, and then added to the tuning software, to achieve an OEM level of operation.
In my case, it was not worth the bother (hours) for such a limited use functionality.