2010 BMW 128i Convertible (E88) L6-3.0L (N52K) P Code Charts
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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
127
Condition for fault identification
Test condition:
Combustion consistency measurement. Starting at engine
speed n > 450 and n 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
