In my opinion, Kompany has done something extraordinary in his first season as Bayern Munich coach, currently they are at the top of the Bundesliga standings with a 6-point advantage over Leverkusen, he also managed to lead Munich to qualify for the UCL quarter-finals.
Although the chances of winning the UCL Trophy are very small, in the hunt for the Bundesliga Trophy, they are at the forefront. Now all that remains is to maintain the points advantage over Leverkusen to win their first trophy as a coach.
It seems to me that Kompany hasn't had much of an impact on Bayern, he certainly brought them out of their crisis but they still have bad games. In addition, Kompany has no experience in the Champions League, and this is evident in some of their games, and in the Bude Liga they allowed Bayer to get within 6 points of them, it's not close yet, but it still leaves the possibility for Bayer to get closer.
But I think it is a natural thing, considering that the last time of the league is increasingly competitive and what Kompany is doing is a pretty big influence from the previous year where Bayer Munich is very difficult to compete but this sat at the top of the standings, losing wins is a natural thing in a competition but remains above the peak of an achievement that will be achieved this season, it could be quite exhausted and get the results of the balanced union and losing to the union of Berlin. It's limited to that and Munich come back gets the Ministry of Agriculture for the following weeks.
I think the coach plays an important role in making preparations for the match and match that will be held to win the match.