BMW 550I 2009–2011 — technical service bulletin
Bulletin B011215 · NHTSA communication 10147856 · issued Dec 1, 2015
Technical service bulletin
communication type
Equipment
component
2009–2011
model years
12
vehicle entries
Official summary
"N63 Engine Crankcase Ventilation ""Connecting Line"" Hoses: 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 Crankcase ventilation ""connecting line"" hoses to: 10 years/120,000 miles as determined by the vehicle's original in-service date Items # 1 and # 2: 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 limitati
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.