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Home >> BMW >> 2016 >> M4 Base, 2D Convertible, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Self Diagnosis - Diagnostic Trouble Codes (S55) >> Fault Code Tests >> DTC P2414: BMW DTC 128B01; DME -- O2 Sensor Exhaust Sample Error (Bank 1 Sensor 1) >> Fault description
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Fault description

The diagnosis monitors correct installation of the oxygen sensor before catalytic converter.

Fault monitoring conditions:

The fault is recognized when the threaded connection retaining the oxygen sensor before catalytic converter in the exhaust pipe is leaking.

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