5D BIM, an acronym for 5-dimensional building information modeling, is a term used in the CAD and construction industries, and refers to the intelligent linking of individual 3D CAD components or assemblies with time schedule (4D BIM) constraints  and then with cost-related information.
5D = 3D + TIME SCHEDULE + COST
The creation of 5D models enables the various participants (from architects, designers, contractors to owners) of a construction project to visualize the progress of construction activities and its related costs over time. This BIM-centric project management technique has potential to improve management and delivery of projects of any size or complexity.
In June 2016, McKinsey, a consultancy, identified 5D BIM technology as one of five big ideas poised to disrupt construction. It defined 5D BIM as "a five-dimensional representation of the physical and functional characteristics of any project. It considers a project’s time schedule and cost in addition to the standard spatial design parameters in 3-D." 
In Germany and Europe at large, 5D BIM technology is prevalent among large general contractors.
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- THIS IS A BASIC DEFINITION
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