LEMON Manuals
: Even more car manuals for everyone: 1960-2025
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BMW
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2013
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M3 2D Convertible, Standard Trans
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Self Diagnosis - Diagnostic Trouble Codes - DTC P1602 - DTC U1153 (S65)
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MSS60 Engine Operating System DTCS
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DTC P2270, BMW Hex Code 0x273A, BMW Code 10042: O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 2) (PLAUS)
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Possible Fault Causes
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Possible Fault Causes
Following RICH control event (active plausibility diagnosis) the oxygen sensor sticks at LEAN