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Old 01-18-2010, 12:13 PM
Penguin Penguin is offline
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Location: Illinois
Join Date: Aug 2003
Posts: 1,924
Mein Auto: Z4 and X5 Diesel
I am constantly amazed how BMW NA shoots itself in the foot when it comes to customer satisfaction. Why go to the bother of excluding between oil change DEF additions? It should not be a very common occurrence, unless there is something wrong with the system (in which case the warranty would apply anyway). It seems they are damaging their image and customer satisfaction for a very small cost savings. Since they flush and refill the system at the oil change interval, how hard would it be for them to just issue an SIB which tells the service people to check the miles until service, do a simple computation, and just add enough DEF to bring it to the next oil change, if it runs short between changes?
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