I thought the basic law governing the court was set up in such a way to prevent politicians fiddling with the court or changing its remit in any way....But the German constitutional court is the ultimate arbiter of whether the German constitution is being infringed. And could throw a large spanner into the works by stating that - legally - it is. In which case, the only option open to the German parliament would be a referendum to change the constitution. Which in turn might result in two fingers from the electorate.
Local history an all...