Home >> BMW >> 2012 >> 760Li >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - N74 - Diagnostic Trouble Codes - DTC P2089 (BMW DTC 130001) Through DTC P144B (BMW DTC 193208) >> DTC P050B; BMW DTC 151001: Ignition timing adjustment in idle, cold start Ignition timing too early >> Fault code