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      06-12-2011, 09:03 PM   #8
ibimmer954
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Drives: '23 i4 M50, '15 M3, '18 911
Join Date: Jul 2007
Location: San Diego, California, USA

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The car slowing down when you take your foot off the accelerator is just the way BMW tunes the car to behave. My auto-tranny 335i acted the same way. The car doesn't really coast. It's the same behavior as if you were to drive a manual tranny car. The car would act that way if the Efficient Dynamics were there or not. Basically, the auto tranny stays locked as much as possible. That way you don't get that "mushy" feeling when you hit the accelerator again.
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