Tracking engineering changes in SAP for purchased items

In our SAP environment, we want to track small engineering changes to an item without changing the item code. These items do not have a Bill Of Material, nor are they batch tracked. Any suggestions on how to accomplish this?

In our SAP environment, we want to track small engineering changes to an item without changing the item code. These items do not have a Bill Of Material, nor are they batch tracked. Any suggestions on how to accomplish this?