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RecallGazette

Vehicle problems, recalls & safety intelligence

BMW 228I 2012–2018technical service bulletin

Bulletin B640915 · NHTSA communication 10151112 · issued Feb 1, 2016

Technical service bulletin
communication type
Equipment
component
2012–2018
model years
48
vehicle entries

Official summary

This Service Information bulletin supersedes SI B64 09 15 dated January 2016. designates changes to this revision SUBJECT Whistling Noise Coming from the Center Vent - A/C is Off. A very high pitched whistling or beeping noise is heard coming from the center vents. The flow of refrigerant through the expansion valve at certain temperature differentials.

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.