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      05-12-2020, 01:55 PM   #9
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Drives: 2021 911 turbo
Join Date: Jan 2012
Location: Montreal

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2019 BMW M4cs  [0.00]
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Originally Posted by SD ///M4 View Post
CanAutM3 posted the correct, but brief, answers to your questions. To expand a little more:

2.) When going for maximum acceleration and shifting manually, press the gas pedal to the floor and then just upshift with the right paddle. There's no forward momentum loss when upshifting as there is with a manual transmission. Pay close attention to the tachometer and make sure that you shift by redline. If you're doing this from a standing start, you need to shift into 2nd almost immediately or you will hit the rev limiter.
To expand even further on this:

There's no interruption in acceleration on a DCT upshift. In the more aggressive Drivelogic modes, there's even a surge in forward acceleration as the DCT recuperates the inertia energy from the engine RPM drop and converts it in forward acceleration. This is the infamous jolt that is being felt on upshifts.

With a 6MT and even an 8AT, you will see passenger heads bob forward on upshifts because acceleration is interrupted. On a DCT upshift, you'll see passenger heads bob rearward from the surge in acceleration .

Being able to do WOT upshifts is one of the key benefits of DCT
Porsche 911 turbo 2021 992 GT Silver

Previous cars: M4cs 2019 F82 Limerock Grey / M4 2015 F82 Silverstone / M3 2008 E92 Silverstone / M3 2002 E46 Carbon Black

Last edited by CanAutM3; 05-12-2020 at 08:05 PM..
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