For Release 4.0 the process model and Customizing (IMG) have been updated. Business-oriented models are still the process model strategy. The are new business scenarios to complement the R/3 Reference Model, which was revised for Release 3.1.
The Business Navigator Web is a new, alternative version of the Business Navigator tool for displaying, navigating in and printing the R/3 Reference Model.
The Business Navigator Web is the first of the new Release 4.0 Business Engineer tools to be shipped.
Some work packages from the AcceleratedSAP Roadmap have been added to the R/3 Procedure Model. In the current release cycle, the R/3 Procedure Model represents an alternative procedure to AcceleratedSAP for R/3 implementations, especially for large customers.