Home >> BMW >> 2006 >> 323i Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Diagnostic Trouble Codes With Diagnostics (N52) >> MSV70 Engine Operating System DTCS >> DTC P112C, BMW Hex Code 0x2C3D, BMW Code 11325: O2 Sensor Negative Current or Positive Current Control Circuit/Open (Bank 1 Sensor 1) (SIG) >> System test