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      12-27-2017, 11:30 AM   #422
Iyzmi
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Drives: E92 M3 6MT ESS625
Join Date: Sep 2014
Location: Midwest

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Quote:
Originally Posted by Yoko22R View Post
I notice it when I need to accelerate out of second from low rpm. I'll step on the pedal maybe half to three quarters of the way and it'll hesitate. Its typically when I'm going just fast enough not to drop it down into first. It's just good to know that others have this issue.
If I'm giving it half to three quarter throttle consistently from low RPM to high RPM without shifting it will sometimes "hesitate" until about 4k. It's hard to describe, but you can feel a noticeable step in power delivery. I thought it was transitioning VANOS profiles in a non-linear way but Mike's fueling explanation also makes sense. It's not a consistent issue and only occurs under partial throttle.
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