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RecallGazette

Vehicle problems, recalls & safety intelligence

BMW 228I 2012–2017technical service bulletin

Bulletin B010116 · NHTSA communication 10136705 · issued Dec 1, 2017

Technical service bulletin
communication type
Engine and Engine Cooling
component
2012–2017
model years
37
vehicle entries

Official summary

N20 Engine Coolant Thermostat: Limited Warranty Extension to 10 Years/120,000 Miles

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.