Home >> BMW >> 2012 >> 335i 2D Convertible, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - N55 - Diagnostic Trouble Codes - DTC P0462 (BMW DTC 193002) Through DTC P16E9 (BMW DTC 1F1A92) >> DTC P15E9; BMW DTC 1B9608: Engine switch-off time, plausibility: time too long in correlation to engine-coolant cooling >> Action in service