BOM and subcontracting PO
http://scn.sap.com/thread/980377
http://www.erpgreat.com/materials/bom-is-not-exploding-in-po.htm
https://scn.sap.com/thread/2012618
https://scn.sap.com/thread/989989
http://scn.sap.com/thread/980377
http://www.erpgreat.com/materials/bom-is-not-exploding-in-po.htm
https://scn.sap.com/thread/2012618
https://scn.sap.com/thread/989989