Postbit Template
 

How to remove this 25px spacer for a own coded mod that uses the postbit template ?

25px is the default setting of the body border main content.

I set this : (Spacer Size (pixels) (Spacing between the body border and the main content)
to "0" then it works, but the whole forums goes to the left too. I only want the own postbit go to the left.

If you post the code to your postbit template, we can show you where to modify the code.