If you have ever sat in a discovery workshop with an industries like industrial pump manufacturer, you already know the moment I am talking about. The production head opens his BOM file in Excel. You scroll down. And down. And down some more. For example, a single end-suction centrifugal pump has 150+ components — bolts, nuts, washers, gaskets, O-rings, dowel pins, retaining rings, shims, nameplates, grease nipples, foundation hardware — and roughly half of those line items repeat across every pump variant the company builds. Then the planner says the line we have all heard a hundred times: "Sir, we always use these hardware items together. Why should I plan them one by one every time?" This is the classic kit problem in many industry. And in Microsoft Dynamics 365 Business Central, the cleanest way to solve it is a feature that is criminally under-used — the Phantom BOM . Why a Kit (Phantom) Structure Is Required Here Before jumping into BC setup, let me...