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 P0456; BMW DTC 190302: Fuel tank ventilation system and purge air system, micro-leak: Leak greater than 0.5 mm >> Fault code