BMW 335D 2009–2010 — technical service bulletin
Bulletin 180212 · NHTSA communication 10150103 · issued Mar 1, 2013
Technical service bulletin
communication type
Engine
component
2009–2010
model years
4
vehicle entries
Official summary
"?Voluntary Emissions Recall Campaign 11E-A03: Check and/or Replace Emissions Monitoring Components. 1. The Selective Catalyst Reduction (SCR) catalyst has been improved to increase emissions stability over the service life of the vehicle. 2. The SCR mixer has also been improved to optimize the Diesel Exhaust Fluid (DEF) mixture when introduced into the exhaust system. 3. Under certain driving conditions, the High-Pressure (HP) EGR valve may become restricted with excessive soot. This restriction impedes the emissions performance of the HP EGR valve. This situation may lead to the Service Engi
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.