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EGR bypass pipe on a 335d?
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01-09-2012, 09:44 AM
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kbsilver
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Just looked at the eBay listing. Seller talks about CO2. My understanding is the EGR is to reduce peak combutions temperatures which will reduce NOx (not CO2). A Diesel engine is very good at generating NOx, which is why we need the DEF system.
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