BMW M3 2010 — technical service bulletin
Bulletin SIB-18-06-12 · NHTSA communication 10046959 · issued Mar 1, 2013
Technical service bulletin
communication type
Engine and Engine Cooling
component
2010
model years
2
vehicle entries
Official summary
Bmw: see document search button for owner letter. When introduced into exhaust system, selective catalyst reduction (scr) mixer was improved to optimize diesel exhaust fluid (def) mixture. Model 2010 e70, e90. *pe updated on 4/25/2013. *kb
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.