There are 2 available sizes in Europe:
1. 275/35 R19 + 285/30 R20
https://www.baum-bmwshop24.de/…-michelin-mischbereifung/
2. Both 275/35 R19
https://www.baum-bmwshop24.de/…3-pirelli-mischbereifung/
What is your opinion on which is better/safer to use at winter. The first options is also quite more expensive, but I am more worried about the safety. Thank you.