BMW 5 Series 2004 — technical service bulletin
Bulletin 110504 · NHTSA communication 10012805 · issued Jun 1, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004
model years
3
vehicle entries
Official summary
M62tu/s62 secondary air diagnostics and air delivery passage cleaning procedure. *eh update. *tt
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.