Home >> BMW >> 2012 >> 760Li >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - N74 - Diagnostic Trouble Codes - DTC P0487 (BMW DTC 1A0001) Through DTC P060C (BMW DTC 200C08) >> DTC P0597; BMW DTC 1D2204: Map thermostat, activation: Line disconnection >> Action in service