Condition For Fault Memory Entry – Miss Within 4 Diagnosis Windows
29CF – P0303
Information saved in
DME
Fault code
29CF – P0303
Fault text
Combustion misfires, cylinder 3
Fault description
2010-2020 BMW 128i Convertible (E88) L6-3.0L (N51) WWW.168MOTIVE.COM Page 317
Cylinder 3 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 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
