So i finally ripped my clutches off etc to get it ready for tomorrows first ride of the year and ive always had the dealer service my diamond drive. Since its an 05 m7 i figured i better learn how so thought id try it myself, and they were right it was easy unitll i noticed my diamond drive doesnt have a drain plug just the casting where its supposed to be... Now im scared should i just split the case and re-seal it? should i try to drill it and install the drain plug....... should have waited unitll monday. Help !!!!!!!!!!! Please.