Condition For Fault Memory Entry – Miss Within First 1000 Crankshaft Rotations
2010-2020 BMW 128i Convertible (E88) L6-3.0L (N51) WWW.168MOTIVE.COM Page 311
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 within first 1000 crankshaft rotations after
start
Action in service
Ignition coils, spark plugs, ignition cables, injectors, DME
Fault effect and breakdown warning