Home >> BMW >> 2011 >> 135i 2D Convertible, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - N55 - Diagnostic Trouble Codes - DTC P1638 (BMW DTC 100001) Through DTC P10EB (BMW DTC 10BA41) >> DTC P0118; BMW DTC 109001: Coolant-temperature sensor, electric: short circuit to positive or open circuit >> Fault code