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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > High Intensity battery discharge warning



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      01-02-2013, 04:08 PM   #1
Blk33zeroxi
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High Intensity battery discharge warning

So in the past month twice I have gotten the warning for the battery. the car is 5 yrs old so I'm assuming that it is just time for a new battery... Called the dealer and they said a battery for my 335 was around $299 plus programming?? I have never heard of needed a battery to be programmed is this true? Can I just take my car to a battery store and get a new one or do I need to get to the dealer purchase one from them and pay to have them install it..... I'm not really trying to spend $500
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      01-02-2013, 04:39 PM   #2
Kernel Kurtz
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Yes, the car needs to programmed to adapt to a new battery for maximum performance. If you don't, best case you will not get the longest life out of it. Worst case it may catastrophically fail.

Many threads about this. Use the search function.
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      01-02-2013, 06:33 PM   #3
ctuna
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Registering with a coding setup

http://www.e90post.com/forums/showth...hlight=battery

interstate mtp49/h8 around 200 buck there are cheaper substitutes.
Either group 49 or 94 r (match the amp hours .)

Some independents will do it for between 200 and 300.
battery + registration that is.
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      01-02-2013, 06:58 PM   #4
AddictedToBavarian
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What dealer quoted you this price? Look at dealer websites for promotions. A lot have very good coupons and discounts on batteries and maintenance items. I too will soon have to replace my battery and will use a dealer to do it, but will NOT pay $500.
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      01-02-2013, 06:59 PM   #5
Kernel Kurtz
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Lots of good info there ^

And a reminder how complex all the variables on these cars can be.

I have not had to change a battery yet, but when the time comes it will be a good reason to buy a BT tool or similar.
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      01-02-2013, 08:23 PM   #6
bamboobuild
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recently paid 290 for OEM Battery plus registration.
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      01-02-2013, 08:27 PM   #7
surf2727
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I get this warning all the time...luckily nothing has progressed, but I am still under the BMW maintenance program so I believe they replace it for free. There must be a cheaper alternative in your case.
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