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2015
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740Li
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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 (N55)
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Fault Code Tests
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DTC P2237: BMW DTC 12BD52; DME -- O2 Sensor Positive Current Control Circuit/Open (Bank 1 Sensor 1)
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Service instruction
Service instruction
Do not allow plug connection to come into contact with cleaning agents or solvents, since the oxygen sensor can be destroyed as a result.