2010 BMW 128i Convertible (E88) L6-3.0L (N52K) P Code Charts
none
P0420
29F4 – P0420
Information saved in
DME
Fault code
29F4 – P0420
Fault text
Catalytic-converter conversion
Fault description
Catalyst System Efficiency Below Threshold (Bank 1)
Condition for fault identification
Test condition:
none
Terminal condition: none
160
Voltage condition:
none
Condition for fault memory entry
none
Action in service
none
Fault effect and breakdown warning
