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RecallGazette

Vehicle problems, recalls & safety intelligence

BMW 1 Series M 2006–2015technical service bulletin

Bulletin 111414 · NHTSA communication 10149282 · issued Oct 1, 2014

Technical service bulletin
communication type
Engine
component
2006–2015
model years
60
vehicle entries

Official summary

Engine Damage Due to Debris in Oil Passages. After performing extensive engine repairs (e.g., cylinder head removal), the engine begins to knock and may lose power. Debris has entered the engine oiling passages during cleaning of the engine block and cylinder head mating surfaces during engine repair.

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.