Originally Posted by Porschefile
Called Apex today and this is what they advised.
As long as your car is not slammed, your helper springs should be pretty much compressed fully at suspension full droop (when your wheels are off the ground). Therefore, you should be able to remove them without leaving your main springs loose at full droop.
I believe that KW is bounded by German regulations to keep the main springs secured in position at suspension full droop at all TÜV-approved ride heights. Hence the helper springs.