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RecallGazette

Vehicle problems, recalls & safety intelligence

BMW 320I 2012–2017technical service bulletin

Bulletin B330216 · NHTSA communication 10151175 · issued Mar 1, 2016

Technical service bulletin
communication type
Equipment Adaptive/mobility
component
2012–2017
model years
27
vehicle entries

Official summary

Howling Noise from the Rear Differential. When coasting from 85 - 70 mph, there is a howling noise from the rear differential. CAUSE Resonance behavior during the running-in phase of the PHEV rear differential

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.