Why must a new battery be coded by the dealer

devitocoke · 07-25-2011, 04:10 PM

I have a 2006 BMW 325i. I need to purchase a new battery. I thought I could just buy one and install it. Now I am hearing I will have to take it to the dealership to get coded.

Is this true? Can someone shed some light and what is the best battery to buy?

jsublime · 07-25-2011, 04:18 PM

Quote:

Originally Posted by devitocoke

I have a 2006 BMW 325i. I need to purchase a new battery. I thought I could just buy one and install it. Now I am hearing I will have to take it to the dealership to get coded.

Is this true? Can someone shed some light and what is the best battery to buy?

Lots of threads on this topic, here is one of the more interesting ones. Also check DIY section, you will see batteries that people have used for replacement. The battery doesn' get coded, instead the car is told it has a new battery.

http://www.e90post.com/forums/showth...attery&page=15

iflyjetzzz · 07-25-2011, 04:25 PM

You need to register the battery - this tells your electrical system that you have a new battery and adjusts the amount of charge that the battery receives (or something along those lines). It doesn't have to be done at the dealer.

Here are the DIYs:
Changing the battery:
http://www.e90post.com/forums/showthread.php?t=292200
Registering the battery:
http://www.e90post.com/forums/showthread.php?t=532315

Edit: Nice link from Jsublime; tells you EXACTLY why you want to register the battery.

robreed27 · 07-25-2011, 04:36 PM

Mine died on me had the recovery van out got it goin an told me i needed a new one this was on a sunday so went to wilco motor save cost me £100 (rip off but needed one there and then) an a lad about 16 replaced it an its fine no coding no nothing an i have 2006 320d.

devitocoke · 07-25-2011, 04:39 PM

Thanks everyone.

m1bjr · 02-11-2012, 10:02 AM

If you replace like with like, then you need do nothing with the registration ('coding').

Tom K. · 02-11-2012, 04:36 PM

Quote:

Originally Posted by m1bjr

If you replace like with like, then you need do nothing with the registration ('coding').

When the old battery is shot and the replacement is new, how is that "like for like"?

Get any new battery registered so that it plays nice with the IBS.

Tom

07-25-2011, 04:10 PM	#1
devitocoke Bimmer Freak 49 Rep 169 Posts Drives: 2011 535i Join Date: Jan 2009 Location: Miramar, Florida iTrader: (1)	Why must a new battery be coded by the dealer I have a 2006 BMW 325i. I need to purchase a new battery. I thought I could just buy one and install it. Now I am hearing I will have to take it to the dealership to get coded. Is this true? Can someone shed some light and what is the best battery to buy?
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07-25-2011, 04:25 PM	#3
iflyjetzzz First Lieutenant 58 Rep 320 Posts Drives: 2008 328i Join Date: Sep 2010 Location: Tucson, AZ iTrader: (0)	You need to register the battery - this tells your electrical system that you have a new battery and adjusts the amount of charge that the battery receives (or something along those lines). It doesn't have to be done at the dealer. Here are the DIYs: Changing the battery: http://www.e90post.com/forums/showthread.php?t=292200 Registering the battery: http://www.e90post.com/forums/showthread.php?t=532315 Edit: Nice link from Jsublime; tells you EXACTLY why you want to register the battery.
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07-25-2011, 04:36 PM	#4
robreed27 Private 7 Rep 82 Posts Drives: 320D M SPORT 2012 Join Date: Mar 2011 Location: Doncaster iTrader: (0)	Mine died on me had the recovery van out got it goin an told me i needed a new one this was on a sunday so went to wilco motor save cost me £100 (rip off but needed one there and then) an a lad about 16 replaced it an its fine no coding no nothing an i have 2006 320d.
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07-25-2011, 04:39 PM	#5
devitocoke Bimmer Freak 49 Rep 169 Posts Drives: 2011 535i Join Date: Jan 2009 Location: Miramar, Florida iTrader: (1)	Thanks everyone.
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02-11-2012, 10:02 AM	#6
m1bjr LSD - No, you're not seeing things 72 Rep 3,302 Posts Drives: Baby F36 Gran Coupe Join Date: Mar 2010 Location: Plymouth UK iTrader: (4)	If you replace like with like, then you need do nothing with the registration ('coding'). __________________
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