The SPD management is demonstratively supporting Olaf Scholz, however some celebration members favor Boris Pistorius as candidate for chancellor. According to surveys, the protection minister would do considerably higher.
https://www.spiegel.de/politik/deutschland/olaf-scholz-vs-boris-pistorius-rolf-muetzenich-bestaetigt-grummeln-in-spd-wegen-kanzler-frage-a-4dfa9fe9-8d87-455a-a91c-4a6377a52527#ref=rss