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      09-03-2016, 08:30 PM   #14
Mike@N54Tuning.com
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Drives: 2007 335i, 2015 M3
Join Date: Dec 2008
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Quote:
Originally Posted by JamRWS6 View Post
I feel the exact same thing in Comfort mode. Enabling DSC (TRACTION button or Sport +) seems to cure this for me. I'm guessing it is the ECU dropping boost/ closing the throttle but I have not logged it. With DSC on the car also doesn't short shift which helps because this engine makes power all the way to recline.
The B58 JB4 has timing control, maybe its set to pull too much timing at the shift for your fuel/conditions. For tuning advice you'd need to post a log of the problem to the n54tech support forum. BMS doesn't sponsor/read this forum.

Mike
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