Dead battery, a matter of time....

[RRE70]

In my opinion it is not charging system what is wrong, it is the drain that's the problem.
I had my Blower Motor Resistor replaced a few months ago, and the BMW technician told me that this part is notorious for causing the 'High Discharge' warning. Unfortunately I saw the warning this afternoon again... It is pretty cold over here in the Netherlands these days, so I guess the 'temperature plays it role too....
Still I fully agree with most of you guys here at this forum that our X5 is a high end automobile that should not have these kind of problems....