SAP Super BOM Design Worksheet for Configurable Products
A super BOM holds every component a configurable product could need, and selection conditions decide which ones a given variant gets. This worksheet helps you design that structure before you build it in CS01. You list the items, write the condition for each, and see how much of the BOM is conditional.
| Item no | Component | Item category | Quantity | Selection condition | Unit cost | Always included (1 or 0) | Extended cost | |
|---|---|---|---|---|---|---|---|---|
$410 | ||||||||
$980 | ||||||||
$1,290 | ||||||||
$135 | ||||||||
$0 |
The super BOM, also called the 150 percent or maximum BOM, holds every component any variant may need. Selection conditions on items decide which components appear in a specific configuration. The extended cost sum is the cost of building every option together, not the cost of one variant. Use it as a review aid, not as a costing result.
Audit selection conditions at scale
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How to use the worksheet
List one row per BOM item in the structure you will enter in CS01. Choose the item category, the quantity and the unit cost. For any item that does not apply to every variant, write the selection condition using characteristic names from your design worksheet. Mark items that are always present with 1. The totals show how many items are conditional and the combined cost of all items, which gives you a feel for the size of the super BOM and for where conditions concentrate.
- Write conditions with the exact characteristic names
- Keep text items and document items in the list so nothing is forgotten
- Group sub-assemblies on their own BOMs and keep conditions at the right level
How the super BOM works in SAP
A configurable material has a BOM in which items carry selection conditions maintained through the object dependency editor. When the user configures the material in a sales order or production order, the system evaluates the conditions against the chosen characteristic values and produces a variant BOM containing only the matching items. Conditions can sit on items, on whole sub-assemblies, and on routing operations. The BOM usage, plant and alternative still follow the usual rules for BOM selection, so confirm they are set consistently across all variants.
- Selection conditions are evaluated at configuration time
- Sub-assemblies can themselves be configurable materials
- Items without a condition are included in every variant
Reading the totals
A high share of conditional items is normal for a heavily optioned product, but it increases testing effort, because each condition has to be exercised. The summed extended cost is a 150 percent figure and should never be quoted as a variant cost. For real costing, run a cost estimate on a specific configuration. Use the conditional share as a guide to where to put regression tests, especially for items whose conditions combine several characteristics with and or or logic.
Common mistakes
Frequent faults include conditions that overlap so two motors appear in the same variant, conditions that leave a variant with no motor at all, and conditions written against a characteristic that is not required, so a blank answer silently drops the item. Another mistake is keeping obsolete items in the super BOM without an end-of-effectivity change number. Use the worksheet to review every item for a mutually exclusive set of conditions and then prove it in simulation.
Frequently Asked Questions
What is a super BOM in SAP?
A super BOM, also called a 150 percent BOM or maximum BOM, contains all components needed across every variant of a configurable material. Selection conditions on items then reduce it to the variant BOM for a specific configuration.
Which transaction maintains the BOM?
BOM header and items are created in CS01, changed in CS02 and displayed in CS03. Selection conditions are added to items using the object dependency functions from the item screen.
Can sub-assemblies be configurable too?
Yes. A sub-assembly can be its own configurable material, with its own characteristics and dependencies, and the parent configuration can pass values down using procedures. This keeps each BOM smaller and easier to maintain.
Is the extended cost the product cost?
No. It sums every item in the super BOM, so it overstates any real variant. Use it only to gauge scope. For a real cost, run a cost estimate on a configured material.
If your super BOMs are large and hard to audit, we can help check selection conditions against characteristics and flag items that no variant can select. The worksheet is complete without any contact.
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