Quote Originally Posted by rebel.ranter
Have you run an energy diagnosis on the battery through DIS? I just changed my battery over the weekend as it was starting to,give out a lot more frequently. I was trickle charging it when I got home at the weekend every now & again but the short journeys to work was killing it.
If you want to do the energy diagnosis just give me a shout, I can be found on Dublin's south side sometimes!

http://www.bmwhaus.ie/forum/showthread.php?tid=142&pid=30872#pid30872
No point the car is not being driven. Not much to do here. Battery is not being charged.
Bmw created this test to assess driving behavior mainly to replace or not batteries under warranty.