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Battery alarm. Advice needed?

2546 Views 0 Replies 1 Participant Last post by  deputyjk
Hi all

I am looking for a bit of advice with my Battery. I have a 2009 BMW 318D.

I am getting the yellow battery symbol flashing up on the dash when engine is turned off with keys in the ignition. I checked the battery charge via the OBC and it reads 14.5v when engine running and drops to 11.5V when stopped for a few minutes. Battery is a banner S61 21 7 575 327 90ah 900ccw. I think its an AGM.

I assume this means the battery is about to fail?
I'm not sure has the car IBS. How can I tell?
If I get a similar spec battery does it have to be registered?
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