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BMW 3-Series (E90 E92) Forum
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SES Keeps coming back
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| 03-25-2015, 08:52 PM | #23 |
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Private First Class
 
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Rep 196
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Of course, as the increase in exhaust temps are needed for soot burn off and NOx is actually a needed component of this chemical reaction from what I've read in the Bosch documentation.
The SCR cat is emptied of DEF during regen due to the high temps as well. |
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Appreciate
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| 335d problem engine, diesle, ses |
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