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Old 12-02-2012, 05:51 AM
poggi poggi is offline
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Location: Indianapolis, IN
Join Date: Aug 2011
Posts: 2
Mein Auto: 2011 BMW 335d
DEF Flush process

BMW may have discontinued this process, but DEF residue I find on the filler and bottles left stored between refills tells me that might not be a bad idea (IMO).

Does anyone know if the DEF flush is DIY possible?
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