BMW M3 2001–2005 — technical service bulletin

Bulletin SI-B12-22-08 · NHTSA communication 10029304 · issued Apr 1, 2009

Technical service bulletin

communication type

Engine and Engine Cooling

component

2001–2005

model years

vehicle entries

Official summary

Bmw: as originally installed, the dme programming may cause the obd diagnostic to erroneously evaluate the efficiency of the catalytic converters. Model e46 (m3) coupe and convertibles. *pe

Vehicles covered

2001 BMW M3
2002 BMW M3
2003 BMW M3
2004 BMW M3
2005 BMW M3

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.