BMW X5 2010–2012 — technical service bulletin
Bulletin SI-B-11-05-12 · NHTSA communication 10044290 · issued May 1, 2012
Technical service bulletin
communication type
Engine
component
2010–2012
model years
6
vehicle entries
Official summary
Bmw: service engine soon light comes on. Engine breather line (crankcase ventilation hose) failed, causing vehicle to run rough. This is due to plastic material used for crankcase ventilation hose becomes brittle and break. *pe
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.