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Old 12-09-2012, 02:58 PM
Supercourse Supercourse is online now
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Location: British Columbia, Canada
 
Join Date: Feb 2008
Posts: 2,995
Mein Auto: 2004 X3 2.5i
If you took the battery out and gave it a bit of a shake the little hydrometer might unstick to let the green ball float up.

But it might not - just means that at least one of the 6 cells is not that healthy, but battery still measures at least 12.6V at the posts.

Starting may not be a problem, but losing charge when left for a few days might mean more chance of strange electronic things happening with sensors and warning lights.

If it doesn't show green after a good highway drive and bumping around potholes I'd replace it - 8 years isn't bad for an O.E. battery.
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