Manufacturing TipsProduction planning What is a Multi-Level BOM (Indented BOM)? A multi-level BOM is a bill of materials that represents the composition of various subassemblies in addition to the final product. This type of BOM becomes indispensable when a certain level of product complexity is reached but there are also situations where the use of a multi-level BOM is unwarranted. By Madis Kuuse 7 min read