Home >> BMW >> 2011 >> 335i 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 P110D; BMW DTC 107A40: Throttle-valve potentiometer: throttle-valve potentiometer 1 or 2, function >> Fault code