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Service bulletin 122113

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10150164
Published by NHTSA2018-12-03
Manufacturer's number122113
Manufacturer's date2013-11-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

NHTSA's summary

Service Action: Program Control Units (Direct Ozone Reduction). The DME diagnostic for direct ozone reduction, by means of the environmental air catalyst sensor (EAC) located in the radiator, is not carried out correctly as required by emissions regulations.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Exhaust and emissions, Catalytic converter

Vehicles listed
BMW 328I2012, 2013, 2014
BMW 428I2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
B1223192019-08-19. Service bulletin. DIAGNOSTIC HINT: CATALYTIC CONVERTER INSPECTION AFTER LOSS OF CRANKSHAFT SIGNAL. In certain situations when the crankshaft position signal is lost while driving the malfunction indicator lamp (MIL) and an engine malfunction check control message (CCM #29) may be displayed. The engine may run roughly or with reduced power.
B1209162018-12-10. Service bulletin. N20 - The Service Engine Soon Light is On with DME Fault 118602 Stored. The Service Engine Soon light is on (MIL) with only the following oxygen sensor fault stored. 118602 - Oxygen sensor before catalytic converter, fine mixture control: exhaust gas after catalytic converter too lean CAUSE An actual engine related problem and/or DME software diagnostic