This sensor is not supported by any after market ECU that i know of. Attached is a schematic displaying information oh how the sensor is connected to the BMW ECU. I have heard it called a proximity detector in repair manuals
It has 3-wires connected and a shield
- pin 64 GROUND
- pin 43 ecu cam no other information
- pin 65 ecu cam no other information
Once i get the car idling i will try messing with it!