BMW 550I 2013–2015 — technical service bulletin
Bulletin B010518 · NHTSA communication 10142911 · issued Jan 1, 2018
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013–2015
model years
13
vehicle entries
Official summary
N63t engine fuel injectors: limited warranty extension to 10 years/120,000 miles
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.