Thanks guys it definitely seems like the alternator or the voltage regulator. Is there a diy floating around and removing the alternator? If I have to take it to the Indy I would probably just change he whole alternator otherwise if I can do it myself I could try the voltage regulator first.

__________________
Current
2006 BMW X5 4.8is Dinan S2 Black on Black

Retired
2004 BMW X5 4.8is Black on Cream
2001 Bmw X5 3.0
2006 Bmw 530i
1996 Bmw 328is
1994 Toyota Landcruiser
1989 Bmw 535i