Quote:
Originally Posted by lemetier
M xDrive is not integrated. It's a hang on 1 speed transfer case which allows for on the fly RWD mode.
AMG MCT 4matic+ is internal integration and requires the vehicle to be stopped to engage Drift Mode.
8DT PDK4 is internal integration and configured in a manner in which it is not possible to decouple the front axle.
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You are right, I was looking at parts diagrams earlier and didn’t see what I thought I remembered. Maybe the AMG is what I was thinking of but I believe the point stands: M didn’t want to spend the resources to get a new clutch to handle more torque in the manual cars, let alone develop M xDrive to physically fit with and calibrate it to work with a manual transmission.