2010-2020 BMW 128i Convertible (E88) L6-3.0L (N51) WWW.168MOTIVE.COM Page 328
29F4
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
Voltage condition:
none
Condition for fault memory entry
none
Action in service
none
Fault effect and breakdown warning
