Precedent by other court decisions is still relevant for law interpretation in Germany. BVG and BGH decisions are law-like. With a somewhat good argument any court decision can become a good template for a case.
The opposite is also interesting to observe: In common law countries the written law also becomes more and more fine grained limiting jurisdical law making.
The opposite is also interesting to observe: In common law countries the written law also becomes more and more fine grained limiting jurisdical law making.