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 schedule (time - 4D BIM) constraints  and then with cost-related information.
5D = 3D + 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 cost and schedule 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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