Answer
The answer is 1. FC Kaiserslautern. After his successful stint with Vålerenga, Rekdal took on a new challenge by venturing into the German Bundesliga, where he managed the iconic club 1. FC Kaiserslautern during the 2005-2006 season. While his time there was marked by mixed results, Rekdal's impact on the team and the league left a lasting impression on the football world.