Home >> BMW >> 2013 >> 135is 2D Convertible, Automatic DCT Trans >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - N55 - Diagnostic Trouble Codes - DTC P0234 (BMW DTC 120208) Through DTC P10F6 (BMW DTC 135B12) >> DTC P0130; BMW DTC 12BD70: Oxygen sensor before catalytic converter, electrical: Nernst-cell resistance or ceramic temperature implausible, line or heater fault >> Fault code