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      09-09-2019, 10:20 PM   #8
RoIIouT
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Drives: 2016 340i xDrive M-Sport
Join Date: Apr 2019
Location: MI

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Quote:
Originally Posted by zinner View Post
Sounds like you are lugging the engine. Not sure about the F30 automatics, but my E90 doesn't down shift unless you hit the kick down switch (basically you push it to wide open throttle). I feel a click when I hit the kick down switch. Otherwise you are lugging the engine, something the factory tune won't let you do because it doesn't wanna put the strain on the drive train. Welcome to tune life. Boot mod3 doesn't alter the transmissions calibrations, so it's essentially a mismatch in some sense.
F30 will down shift before the kick , even in comfort mode.
zinner414.50