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Message: <blockquote data-quote="namidub" data-source="post: 567416" data-attributes="member: 23282">try digging some info on this previously discussed issue on dpf here : <a href="http://www.bmwclubmalaysia.com/forums/showthread.php?40402-How-are-your-320d-doing-so-far/page27&highlight=diesel+particulate+filter" target="_blank">http://www.bmwclubmalaysia.com/forums/showthread.php?40402-How-are-your-320d-doing-so-far/page27&highlight=diesel+particulate+filter</a>*quote from paultantk*just some interesting facts for those who are wondering what DPF is  <a href="http://alternativefuels.about.com/od/glossary/g/dpf.htm" target="_blank">http://alternativefuels.about.com/od/glossary/g/dpf.htm</a> <a href="http://en.wikipedia.org/wiki/Diesel_particulate_filter" target="_blank">http://en.wikipedia.org/wiki/Diesel_particulate_filter</a>  diesel particulate filter filters out particulate matter from the exhaust. particulates = soot, the black dust that makes diesel smoke sometimes look like black smoke.  what filters CO2 and NOx (i believe this is what you are referring to as "sulphur emissions") out of the exhaust gas is the catalytic converter, and all the diesel bmw cars in malaysia still has the catalytic converter.</blockquote>