Listen to this article Aston Martin announced in January that Krack would be joining its F1 operation as team principal following the departure of long-serving chief Otmar Szafnauer. Krack had worked as the boss of BMW’s motorsport programme since 2014, overseeing its racing interests across series including Formula E, the World Endurance Championship and IMSA. He started in his new role with Aston Martin at the beginning of March. In an interview earlier this month with Motorsport.com’s sister publication, Motorsport-Total, DTM boss Berger said that Krack “didn’t impress me” while he was with BMW. Speaking to select media including Motorsport.com in Bahrain last weekend, Berger expanded on his comments, saying he “just told my opinion”. “Let’s see what can be done, but when I watched what was done in DTM, I just don’t see the way forward for Aston Martin with him,” Berger said. “In all the years I’ve been there now, [BMW has] never been really consistently competitive. “You could see alway …