M5 Guru (>2000 posts)
Join Date: Feb 2005
Location: South West London
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So you change down, the revs rise to match the new gearbox speed, and the revs stay high. Surely they would do, unless you actually change the speed of the car? I don't doubt you have an issue here, I'm just being a bit slow at grasping it - apologies.
There's a few things I can't get my head around, and was hoping you could elaborate on: How do you know the clutches have dis-engaged or re-engaged? Isn't the point of a DCT that one of them is always engaged? Does the software you used to analyse this tell you which of the two clutches is being used to transmit power at any moment? And therefore, is it always the same one 'failing'? Also, which gears does this happen in? Again, apologies if I have completely misunderstood the concept of a DCT gearbox. Perhaps someone could enlighten us?
Last edited by 100%Cocoa; 4th July 2016 at 10:18 AM.