29F4 - P0420

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2020 BMW 128i Coupe (E82) L6-3.0L (N51) Diagnostic Trouble Codes ( DTC ): Service instruction



none









29F4



29F4 - P0420







Information saved in



DME









Fault code



29F4 - P0420









Fault text



Catalytic-converter conversion









Fault description



Catalyst System Efficiency Below Threshold (Bank 1)









Condition for fault identification



Test condition: none





Terminal condition: none Voltage condition:





none









Condition for fault memory entry



none









Action in service



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Fault effect and breakdown warning







Driver information Warning light: none

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