2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 319
Fault code
29CF - P0303
Fault text
Combustion misfires, cylinder 3
Fault description
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
Driver information
Warning light:
MIL ON
Service instruction
none
Condition For Fault Memory Entry - Miss Within 200 Crankshaft Rotations
29CF - P0303
Information saved in
DME
Fault code
29CF - P0303
Fault text
Combustion misfires, cylinder 3
Fault description
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 within 200 crankshaft rotations, weighted
according to engine speed and load factor
Action in service
Ignition coils, spark plugs, ignition cables, injectors, DME
Fault effect and breakdown warning
