Home >> BMW >> 2013 >> 135is 2D Convertible, Automatic DCT Trans >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - N55 - Diagnostic Trouble Codes - DTC P10C9 (BMW DTC 10BA42) Through DTC P0001 (BMW DTC 11C404) >> DTC P306A; BMW DTC 11AA01: Fuel supply system: Pressure too high, emergency operation with low pressure >> Fault code