My X5 won't start after 3 days of not being used outside in 30F weather. Is this normal? Or is my battery on its way out? Last inspection I had done was about 2 months ago and the battery checked out ok.

**Added note, battery isn't completely dead. Remote still works, electricals still come on. Clicking sound only**

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John Lacson
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1989 E34 520i M/T Euro "Annette"
2005 E53 X5 3.0i US "Hänsel"