BMW 545I 2001–2006 — technical service bulletin
Bulletin 110107 · NHTSA communication 10022023 · issued Mar 1, 2009
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2006
model years
8
vehicle entries
Official summary
Crankcase ventilation system - cold climate conditions. *kb updated on 10/17/07. *nj updated 6/15/09. *pe
Vehicles covered
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.