BMW: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE REPLACING AND/OR CHECKING OF EMISSIONS MONITORING COMPONENTS TO INCREASE EMISSIONS STABILITY, HIGH PRESSURE (HP) EGR VALVE RESTRICTION OF EXCESSIVE SOOT
AND IMPROVED DIESEL EXHAUST FLUID (DEF) MIXTURE INTRODUCED IN EXHAUST SYSTEM FROM SCR MIXER. MODEL 2008-2009 E70, E90. *PE UPDATED 5/10/13. *PE