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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 P305D, BMW Hex Code 0x12B502, BMW Code 1225986: O2 Sensor Temperature Measurement Operating Temperature during Warmup not Reached (Bank 1 Sensor 1) >> BMW Fault Code Description VS-Text

BMW Fault Code Description VS-Text

Oxygen sensor heating before catalytic converter, function: Operating temperature not reached during warm-up

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