Thread: F30 Rough Idle?
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      12-06-2012, 04:12 PM   #7
Monkeycmonkeydo
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Drives: 2013 335i sedan
Join Date: Nov 2012
Location: City of angels

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How many miles are you at? I have noticed a substantial increase in "butteriness" since I eclipsed 1200 miles. The ASS is smoother on and off and the idle is much less noticeable.

It may simply be the break-in period.