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RecallGazette

Vehicle problems, recalls & safety intelligence

BMW 228I 2012–2017technical service bulletin

Bulletin B120916 · NHTSA communication 10147531 · issued Jul 1, 2016

Technical service bulletin
communication type
Engine and Engine Cooling
component
2012–2017
model years
59
vehicle entries

Official summary

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.

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.