Business processes are the core assets of enterprises. They turn the business potential into actual competitiveness on the market. To face the challenges posed by today's changing and uncertain business environment, traditional Business Process Management (BPM) approaches are not sufficient anymore. This paper presents an approach to business process management, which leverages Agent Technology, especially BDI-Agent features to obtain agile business process behavior. This paper sketches the problem, describes the solution approach, and presents the experiences gained in a concrete case study in the domain of Engineering Change Management.