Manufacturing TipsProduction planning Multi-Level BOM (Indented BOM): Benefits, Tips, and Use Cases A multi-level BOM is a bill of materials that represents the composition of 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 a multi-level BOM is unwarranted. By Madis Kuuse 12 min read