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Old 04-24-2012, 11:10 AM
leighton leighton is offline
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Location: New York
 
Join Date: Aug 2011
Posts: 55
Mein Auto: 2012 X3 35i
It is not about "skeptics". The point is that you could learn how to drive to compensate for the lag but that doesn't make it go away. There is only one EPA test for each model and year for which BMW wants so set DME programming in a way that they believe will maximize mpg. After the test and the published mpg results BMW has more flexibility to respond to owner complaints. Even though the lag extended through two model years, it ws only 10 calendar months from F25 initial introduction to the production change.
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