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528xi
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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Self Diagnosis - Diagnostic Trouble Codes (N20 & N26)
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Fault Code Tests
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DTC P13AF: BMW DTC 168A30; DME -- Knock Sensor 1 Circuit 'A' High (Bank 1)
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Action in service
Action in service
Check lines and plug connections between the following components:
DME.
Knock sensor.
Replace knock sensor.