29CC - P0300

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

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Condition For Fault Memory Entry - Miss Within 4 Diagnosis Windows

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

Combustion miss detected within four diagnosis windows consisting of 1000 crankshaft rotations

Action in service

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

Fault effect and breakdown warning

Driver information Warning light: MIL ON