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      09-23-2012, 05:31 PM   #38
FormerRotor
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Drives: 2011 335d, M-Sport
Join Date: Jan 2012
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Quote:
Originally Posted by cssnms View Post
Removing the JBD or vice versa will cause a skewed result until your DME adapts.
Indeed. Usually I see a 5 mpg spread that narrows itself down to 2 over time. This time, its been a 10 mpg spread, but its probably über-confused considering that it went from JBD 100% to no JBD to recall W/out JBD to recall with JbD. She'll firgure it out eventually.
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