BMW E46 2001–2006 — technical service bulletin
Bulletin SI-B12-22-08 · NHTSA communication 10032574 · issued Oct 1, 2009
Technical service bulletin
communication type
Electrical System
component
2001–2006
model years
11
vehicle entries
Official summary
Bmw: voluntary emissions recall 08e-a03; m3 s54-dme reprogramming for catalyst conversion diagnosis. The dme programming, as originally installed, may cause the obd diagnostic to erroneously evaluate the efficiency of the catalytic converters. *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.