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