m50 manifold conversion

[kwlee471]

I just installed the m50 manifold on my 1999 M3 and the car runs really well, but the check engine light came on. I checked the code and the code it was throwing was P1525 (Throttle Position (TP) Sensor Learned Closed Throttle Angle Degrees Out-Of-Range). Has anyone had this problem before after the conversion and does anyone know how to fix this code?