BMW 530E 2018 — technical service bulletin
Bulletin B122718 · NHTSA communication 10149576 · issued Oct 1, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018
model years
2
vehicle entries
Official summary
SERVICE ACTION: PROGRAM THE CONTROL UNIT (DME). If a Valvetronic fault occurs, the catalytic converter heating intensity may be reduced. This situation will not generate a customer complaint. An error in the Digital Motor Electronics (DME) 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.