Even in Holland it’s becoming common practice to equip your car with winter tires. That’s not how it used to be; everybody was just hopelessly sliding around when the first snow fell.
You can decide for a set of alloys for your winter shoes of course, but why not steelies? Just keep it simple and in the case of an Alpina,get the sleeper look. 16 inchers would even be fine, but due to brake size 17’s are necessary. Here is the B3 with 205/50/17’s all around. Ultimate Q car?