BMW i3 2014–2016 — technical service bulletin
Bulletin B123415 · NHTSA communication 10147812 · issued Nov 1, 2015
Technical service bulletin
communication type
Engine
component
2014–2016
model years
3
vehicle entries
Official summary
"Service Engine Soon (MIL) - RDME FC 128002. The Service Engine Soon light (MIL) is illuminated in the instrument cluster and fault code 128002 ""Air mass: Too low"" is stored in the RDME. CAUSE RDME software."
Vehicles covered
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.