BMW 1 Series M 2011–2012 — technical service bulletin
Bulletin B011715 · NHTSA communication 10147857 · issued Dec 1, 2015
Technical service bulletin
communication type
Equipment
component
2011–2012
model years
5
vehicle entries
Official summary
"N54T Engine Fuel Injectors - Limited Warranty Extension to 10 Years/120,000 Miles. INFORMATION For the above-referenced vehicles, BMW of North America, LLC (""BMW NA"") is extending the limited warranty for the fuel injectors to: 10 years/120,000 miles as determined by the vehicle's original in-service date This ""component-specific"" limited warranty extension applies to defects in materials and workmanship and is subject to the applicable vehicle and coverage eligibility requirements, exclusions and limitations that apply to the BMW New Vehicle Limited Warranty for Passenger Cars and Light
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.