BMW 530E 2017–2018 — technical service bulletin
Bulletin B661917 · NHTSA communication 10150897 · issued Sep 1, 2018
Technical service bulletin
communication type
Lane Departure
component
2017–2018
model years
8
vehicle entries
Official summary
?SERVICE ACTION: CHECK AND REPLACE LANE CHANGE WARNING SENSOR. The Lane Change Warning sensor may have been produced with faulty components. This may lead to a failure of the Lane Change Warning system (SWW). Lane Change Warning sensor hardware defect.
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.