Home >> BMW >> 2013 >> 760Li >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis (N74) - 760LI - DTC P11EC - P1414 (BMW DTC 12A202 - 170301) >> DTC P0156: BMW DTC 12AC04; DME -- O2 Sensor Circuit (Bank 2 Sensor 2) >> Action in service