Evaluation of Bills of Material 
Use
The following analysis options are useful for maintenance BOMs:
You can generate where-used lists to determine in which bills of material certain components are used.
You can create where-used lists for materials, documents or classes.
By using a bill of material comparison you can compare two different bills of material with each other.
For information on how to perform a BOM comparison, refer to the SAP documentation, PP - Bills of Material.
Activities
You can call up the BOM comparison function in Plant Maintenance using the following menu sequence:
Logistics
® Plant maintenance ® Technical objects ® BOM ® BOM comparison.