Home >> BMW >> 2012 >> 640i 2D Convertible >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - N55 - Diagnostic Trouble Codes - DTC P10C9 (BMW DTC 10BA42) Through DTC P0001 (BMW DTC 11C404) >> DTC P11C9; BMW DTC 10BA49: Intake air temperature sensor, plausibility: Intake air temperature too low >> Fault code