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E90/E91/E92/E93 (2006 - 2013)
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Old 10-16-2016, 08:52 PM
Bmw_2007 Bmw_2007 is offline
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Location: Harbor city ca
Join Date: Jul 2016
Posts: 5
Mein Auto: 328i coupe
Battery issue

Hello I had a question can anyone help me I drive a 328i 2007 and every time I go somewhere and turn of the car to listen to the radio the battery signal comes up within 1 minute of having my car park and then everything shuts of. I'm guessing the battery is getting weak. Can I replace the battery my self like any other car or would I actually have to take it to a bmw dealer to get it replaced.
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Old 10-16-2016, 09:16 PM
acoste's Avatar
acoste acoste is online now
Officially Welcomed to the 'Fest
Location: California
Join Date: Nov 2011
Posts: 2,761
Mein Auto: 2010 550i MT
Battery replacement involves the registration of the new battery that is very easy but needs INPA. Take it to an indy that works on BMWs or download INPA, get a K+DCAN cable for $10 and DIY.
2010 BMW 550i MT
2003 BMW 325i @190k and counting
1998 BMW 528i MT @ 231k //sold
1997 Saab 9000 //sold
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Old 10-16-2016, 09:42 PM
wilt wilt is offline
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Location: SF Bay area
Join Date: Jan 2014
Posts: 2,670
Mein Auto: 2011 328i
You need to replace the present battery with a replacement which is the same Amp-hour capacity rating, and which is the same type of battery (flooded vs. AGM) or else you have to have someone 'CODE' the proper characteristics into the battery management unit.
If you replace with same size and type of battery as what you have now, then the new battery needs to be 'registered'...or else the new battery may have a significantly shortened life because it is being improperly charged by the battery management module.
If you replace your own battery, you do not need to immediately register the battery, but you should get it done somewhat soon after the change.
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Old 10-17-2016, 02:06 AM
Reregistered User
Location: Fog City, California
Join Date: May 2014
Posts: 7,359
Mein Auto: 09 E93 335i somewhat mod

[click here] - explore links.
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Old 10-17-2016, 10:15 AM
Porando Porando is offline
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Location: South OC
Join Date: Jul 2011
Posts: 1,699
Mein Auto: 2011 335i, 2004 X5 4.4L
Couple questions:
1. For these who drive short distances every few days - is it worth to spend 50% more to replace flooded with AGM battery vs keeping it connected to charger?
2. Anybody has experience with Carly to code & program battery when switching from flooded to AGM?
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Old 10-17-2016, 11:50 AM
Steflwr Steflwr is offline
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Location: Lakewood ranch,fl
Join Date: Oct 2016
Posts: 34
Mein Auto: 2010 bmw 328i convertible
I would buy a cteck tickler charger , for 60 usd you have one on amazon !
2010 bmw 328i convertible
2013 bmw 335i wagon
2005 saab 9-3 convertible
1999 mercedes sl500
2016 renault espace 160 edc
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