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      10-06-2016, 03:34 AM   #1
tranquility
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Drives: 2011 Z4 sDrive 35i
Join Date: Aug 2007
Location: Montréal

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how tell if battery is dying?

Btw, I don't have idrive.

I'm at 6 years and read that is about when the original battery dies? Is this about right? Are there any clear signs it's dying or will it just happen and I'll be SOL?

Just the other day my settings reset (e.g. turn signals set to 3 blinks reverted back to 1), is that a sign?

Finally, I can only do a replacement at a dealer since it's a complicated install? How much is the cost?

Thanks!
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