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2010
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550i Automatic
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Repair and Diagnosis
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Engine Performance
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Self Diagnosis - Diagnostic Trouble Codes - DTC P0035 - DTC P0480 (N63 & S63)
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Diagnostic Trouble Codes (DTCS) MSD85 - Bn2020
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DTC P2273, BMW Hex Code 0x12A201, BMW Code 1221121: O2 Sensor Signal Biased/Stuck Rich (Bank 2 Sensor 2)
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BMW Fault Code Description VS-Text
BMW Fault Code Description VS-Text
Oxygen sensor after catalytic converter 2, system check: Signal, constantly rich