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Home >> BMW >> 2010 >> 550i Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - Diagnostic Trouble Codes - DTC P0035 - DTC P0480 (N63 & S63) >> Diagnostic Trouble Codes (DTCS) MSD85 - Bn2020 >> DTC P2415, BMW Hex Code 0x128C01, BMW Code 1215489: O2 Sensor Exhaust Sample Error (Bank 2 Sensor 1) >> Possible Fault Causes

Possible Fault Causes

-Oxygen sensor not screwed in correctly

-Leak in exhaust/muffler system on engine side of oxygen sensor

-Defect in wiring harness to oxygen sensor

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