29CC - P0300

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



none









Condition For Fault Memory Entry - at Least 2 Bits Are Set to 2



29CC - P0300







Information saved in



DME









Fault code



29CC - P0300









Fault text



Combustion misfires, several cylinders









Fault description



Random/Multiple Cylinder Misfire Detected









Condition for fault identification



Test condition:





Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa Combustion miss on at least two cylinders





Terminal condition: Terminal 15, engine on Voltage condition:





Voltage in onboard electrical system > 10 V









Condition for fault memory entry



at least 2 bits from Sym0 are set to 2









Action in service



Ignition coils, spark plugs, ignition cables, injectors, DME









Fault effect and breakdown warning







Driver information Warning light: MIL ON

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