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With cross-domain simulation starting to reduce prototypes in automotive research and development, BMW aims to establish effective model exchange and tool coupling to leverage the
specialised modelling capabilities of the various simulation tools. In this paper an overview is given why BMW believes that this requires a standardised interface between simulation tools. The Functional Mock-up Interface (FMI) Standard is viewed as the best chance yet towards the goal of sustainable cross-domain simulation in the area of functional development, briefly demonstrated here with two pilot projects. This view has led to a wealth of ongoing projects involving FMI throughout the research and development process. The paper further lists first insights from these projects, distributed around seven key development areas necessary for a successful industrialisation of the standard. These include a stable, centrally manageable tool chain and an emphasis on user experience. They span tool independent parameterisation and the possibility to exchange complex data structures. Tools for model architects and concepts for the logistics of sharing models will need to be developed and refined. Finally, the authors’ hope is that successful industrialisation will be possible with a clear, future proof road map for subsequent versions of the standard.