29D0 - P0304

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 First 1000 Crankshaft Rotations

29D0 - P0304

Information saved in

DME

Fault code

29D0 - P0304

Fault text

Combustion misfires, cylinder 4

Fault description

Cylinder 4 Misfire Detected

Condition for fault identification

Test condition:

Combustion consistency measurement. Starting at engine speed n > 450 and n < 7000. Ambient pressure > 740 hPa Terminal condition: Terminal 15, engine on

Voltage condition:

Voltage in onboard electrical system > 10 V

Condition for fault memory entry

Combustion miss within first 1000 crankshaft rotations after start

Action in service

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

Fault effect and breakdown warning

Driver information Warning light: MIL ON