Answered in your other thread.
http://www.thedieselstop.com/forums/f24/e99-7-3l-injector-question-614994/#post4405994
Since you're getting a contribution test code, that AD probably actually is an AD injector.
http://www.thedieselstop.com/forums/f24/e99-7-3l-injector-question-614994/#post4405994
Since you're getting a contribution test code, that AD probably actually is an AD injector.